html{height:100%;font-size:100%;-webkit-text-size-adjust:100%;-ms-text-size-adjust:100%}a:focus{outline:0}a:active,a:hover{outline:0;-webkit-transition:background-color 100ms linear;-moz-transition:background-color 100ms linear;-ms-transition:background-color 100ms linear;-o-transition:background-color 100ms linear;transition:background-color 100ms linear}sub,sup{position:relative;font-size:75%;line-height:0;vertical-align:baseline}sup{top:-.5em}sub{bottom:-.25em}img{max-width:100%;max-height:500px;vertical-align:middle;border:0;-ms-interpolation-mode:bicubic}#map_canvas img{max-width:none}input:focus,textarea:focus{outline:0}button,input,select,textarea{margin:0;font-size:100%;vertical-align:middle}button::-moz-focus-inner,input::-moz-focus-inner{padding:0;border:0}button,input[type=button],input[type=reset],input[type=submit]{cursor:pointer;-webkit-appearance:button}input[type=search]{-webkit-box-sizing:content-box;-moz-box-sizing:content-box;box-sizing:content-box;-webkit-appearance:textfield}input[type=search]::-webkit-search-cancel-button,input[type=search]::-webkit-search-decoration{-webkit-appearance:none}textarea{overflow:auto;vertical-align:top}a{color:#0277bd;text-decoration:none}a:hover{color:#039be5}p{margin:0 0 .8em}p small{font-size:13px}ol,ul{padding:0;margin:0 0 .8em 25px}ol ol,ol ul,ul ol,ul ul{margin-bottom:0}ul{list-style:disc}ol{list-style:decimal}li{line-height:1.6em}ol.unstyled,ul.unstyled{margin-left:0;list-style:none}dl{margin-bottom:1.6em}dd,dt{line-height:1.6em}dt{font-weight:700;line-height:.6em}dd{margin-left:.8em}.dl-horizontal dt{float:left;width:120px;clear:left;text-align:right;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.dl-horizontal dd{margin-left:130px}hr{margin:20px 0;border:0;border-top:1px solid #bbb;border-bottom:1px solid #fff}strong{font-weight:700;font-weight:600}em{font-style:italic}.muted{color:#f7f7f7}abbr[title]{cursor:help;border-bottom:1px dotted #f7f7f7}abbr.initialism{font-size:90%;text-transform:uppercase}address{display:block;margin-bottom:1.6em;font-style:normal;line-height:1.6em}small{font-size:100%}cite{font-style:normal}code,pre{padding:0 3px 2px;font-family:Menlo,Monaco,Consolas,"Courier New",monospace;font-size:14px;color:#333;-webkit-border-radius:0;-moz-border-radius:0;border-radius:0}code{padding:2px 4px;color:#666;background-color:#f7f7f9;border:1px solid #e1e1e8}pre{display:block;padding:.3em;margin:0 0 .8em;font-size:13.88px;line-height:1.6em;word-break:break-all;word-wrap:break-word;white-space:pre;white-space:pre-wrap;background-color:#f5f5f5;border:1px solid #ccc;border:1px solid rgba(0,0,0,.15);-webkit-border-radius:4px;-moz-border-radius:4px;border-radius:4px}pre.prettyprint{margin-bottom:1.6em}pre code{padding:0;color:inherit;background-color:transparent;border:0}.pre-scrollable{max-height:340px;overflow-y:scroll}form{margin:0 0 1.6em}fieldset{padding:0;margin:0;border:0}legend{display:block;width:100%;padding:0;margin-bottom:2.4em;font-size:22.5px;line-height:3.2em;color:#d8d8d8;border:0;border-bottom:1px solid #e5e5e5}legend small{font-size:1.2em;color:#f7f7f7}button,input,label,select,textarea{font-size:15px;font-weight:400;line-height:1.6em}button,input,select,textarea{font-family:"Helvetica Neue",Helvetica,Arial,sans-serif}label{display:block;margin-bottom:5px}.uneditable-input,input[type=date],input[type=month],input[type=time],input[type=week],input[type=number],input[type=email],input[type=url],input[type=tel],input[type=color],input[type=search],input[type=text],input[type=password],input[type=datetime],input[type=datetime-local],select,textarea{display:inline-block;height:1.6em;padding:4px;margin-bottom:9px;font-size:15px;line-height:1.6em;color:#333}input,textarea{width:210px}textarea{height:auto}.uneditable-input,input[type=date],input[type=month],input[type=time],input[type=week],input[type=number],input[type=email],input[type=url],input[type=tel],input[type=color],input[type=search],input[type=text],input[type=password],input[type=datetime],input[type=datetime-local],select,textarea{background-color:#fff;border:1px solid #777;-webkit-border-radius:0;-moz-border-radius:0;border-radius:0;-webkit-box-shadow:inset 0 1px 3px rgba(0,0,0,.2);-moz-box-shadow:inset 0 1px 3px rgba(0,0,0,.2);box-shadow:inset 0 1px 3px rgba(0,0,0,.2);-webkit-transition:border linear .2s,box-shadow linear .2s;-moz-transition:border linear .2s,box-shadow linear .2s;-ms-transition:border linear .2s,box-shadow linear .2s;-o-transition:border linear .2s,box-shadow linear .2s;transition:border linear .2s,box-shadow linear .2s}.uneditable-input:-moz-placeholder,input[type=date]:-moz-placeholder,input[type=month]:-moz-placeholder,input[type=time]:-moz-placeholder,input[type=week]:-moz-placeholder,input[type=number]:-moz-placeholder,input[type=email]:-moz-placeholder,input[type=url]:-moz-placeholder,input[type=tel]:-moz-placeholder,input[type=color]:-moz-placeholder,input[type=search]:-moz-placeholder,input[type=text]:-moz-placeholder,input[type=password]:-moz-placeholder,input[type=datetime]:-moz-placeholder,input[type=datetime-local]:-moz-placeholder,select:-moz-placeholder,textarea:-moz-placeholder{color:#919191}.uneditable-input:-ms-input-placeholder,input[type=date]:-ms-input-placeholder,input[type=month]:-ms-input-placeholder,input[type=time]:-ms-input-placeholder,input[type=week]:-ms-input-placeholder,input[type=number]:-ms-input-placeholder,input[type=email]:-ms-input-placeholder,input[type=url]:-ms-input-placeholder,input[type=tel]:-ms-input-placeholder,input[type=color]:-ms-input-placeholder,input[type=search]:-ms-input-placeholder,input[type=text]:-ms-input-placeholder,input[type=password]:-ms-input-placeholder,input[type=datetime]:-ms-input-placeholder,input[type=datetime-local]:-ms-input-placeholder,select:-ms-input-placeholder,textarea:-ms-input-placeholder{color:#919191}.uneditable-input::-webkit-input-placeholder,input[type=date]::-webkit-input-placeholder,input[type=month]::-webkit-input-placeholder,input[type=time]::-webkit-input-placeholder,input[type=week]::-webkit-input-placeholder,input[type=number]::-webkit-input-placeholder,input[type=email]::-webkit-input-placeholder,input[type=url]::-webkit-input-placeholder,input[type=tel]::-webkit-input-placeholder,input[type=color]::-webkit-input-placeholder,input[type=search]::-webkit-input-placeholder,input[type=text]::-webkit-input-placeholder,input[type=password]::-webkit-input-placeholder,input[type=datetime]::-webkit-input-placeholder,input[type=datetime-local]::-webkit-input-placeholder,select::-webkit-input-placeholder,textarea::-webkit-input-placeholder{color:#919191}.uneditable-input.placeholder,input[type=date].placeholder,input[type=month].placeholder,input[type=time].placeholder,input[type=week].placeholder,input[type=number].placeholder,input[type=email].placeholder,input[type=url].placeholder,input[type=tel].placeholder,input[type=color].placeholder,input[type=search].placeholder,input[type=text].placeholder,input[type=password].placeholder,input[type=datetime].placeholder,input[type=datetime-local].placeholder,select.placeholder,textarea.placeholder{color:#919191}.uneditable-input:focus,input[type=date]:focus,input[type=month]:focus,input[type=time]:focus,input[type=week]:focus,input[type=number]:focus,input[type=email]:focus,input[type=url]:focus,input[type=tel]:focus,input[type=color]:focus,input[type=search]:focus,input[type=text]:focus,input[type=password]:focus,input[type=datetime]:focus,input[type=datetime-local]:focus,select:focus,textarea:focus{border-color:#333;outline:0;-webkit-box-shadow:inset 0 1px 1px rgba(0,0,0,.2);-moz-box-shadow:inset 0 1px 1px rgba(0,0,0,.2);box-shadow:inset 0 1px 1px rgba(0,0,0,.2)}input[type=radio],input[type=checkbox]{margin:3px 0;line-height:normal;cursor:pointer}input[type=button],input[type=radio],input[type=reset],input[type=checkbox],input[type=submit]{width:auto}.uneditable-textarea{width:auto;height:auto}input[type=file],select{height:28px;line-height:28px}select{width:220px;border:1px solid #777}select[multiple],select[size]{height:auto}input[type=radio]:focus,input[type=checkbox]:focus,input[type=file]:focus,select:focus{outline:0;border:1px solid #444}.clearfix:after,.clearfix:before{display:table;content:""}.clearfix:after{clear:both}.hide-text{font:0/0 a;color:transparent;text-shadow:none;background-color:transparent;border:0}.input-block-level{display:block;width:100%;min-height:28px}.checkbox,.radio{min-height:18px;padding-left:18px}.checkbox input[type=checkbox],.radio input[type=radio]{float:left;margin-left:-18px}.controls>.checkbox:first-child,.controls>.radio:first-child{padding-top:5px}.checkbox.inline,.radio.inline{display:inline-block;padding-top:5px;margin-bottom:0;vertical-align:middle}.checkbox.inline+.checkbox.inline,.radio.inline+.radio.inline{margin-left:10px}.input-mini{width:60px}.input-small{width:90px}.input-medium{width:150px}.input-large{width:210px}.input-xlarge{width:270px}.input-xxlarge{width:530px}.row-fluid .uneditable-input[class*=span],.row-fluid input[class*=span],.row-fluid select[class*=span],.row-fluid textarea[class*=span],.uneditable-input[class*=span],input[class*=span],select[class*=span],textarea[class*=span]{float:none;margin-left:0}.input-append .uneditable-input[class*=span],.input-append input[class*=span],.input-prepend .uneditable-input[class*=span],.input-prepend input[class*=span],.row-fluid .input-append [class*=span],.row-fluid .input-prepend [class*=span]{display:inline-block}input[disabled],input[readonly],select[disabled],select[readonly],textarea[disabled],textarea[readonly]{cursor:not-allowed;background-color:#f0f0f0;border-color:#ddd}input[type=radio][disabled],input[type=radio][readonly],input[type=checkbox][disabled],input[type=checkbox][readonly]{background-color:transparent}.control-group.warning .help-block,.control-group.warning .help-inline,.control-group.warning>label{color:#ffc500}.control-group.warning .checkbox,.control-group.warning .radio,.control-group.warning input,.control-group.warning select,.control-group.warning textarea{color:#ffc500;border-color:#ffc500}.control-group.warning .checkbox:focus,.control-group.warning .radio:focus,.control-group.warning input:focus,.control-group.warning select:focus,.control-group.warning textarea:focus{border-color:#cc9e00;-webkit-box-shadow:0 0 6px #ffdc66;-moz-box-shadow:0 0 6px #ffdc66;box-shadow:0 0 6px #ffdc66}.control-group.warning .input-append .add-on,.control-group.warning .input-prepend .add-on{color:#ffc500;background-color:#ffc500;border-color:#ffc500}.control-group.error .help-block,.control-group.error .help-inline,.control-group.error>label{color:#e91e63}.control-group.error .checkbox,.control-group.error .radio,.control-group.error input,.control-group.error select,.control-group.error textarea{color:#e91e63;border-color:#e91e63}.control-group.error .checkbox:focus,.control-group.error .radio:focus,.control-group.error input:focus,.control-group.error select:focus,.control-group.error textarea:focus{border-color:#c1134e;-webkit-box-shadow:0 0 6px #f27ba3;-moz-box-shadow:0 0 6px #f27ba3;box-shadow:0 0 6px #f27ba3}.control-group.error .input-append .add-on,.control-group.error .input-prepend .add-on{color:#e91e63;background-color:#e91e63;border-color:#e91e63}.control-group.success .help-block,.control-group.success .help-inline,.control-group.success>label{color:#333}.control-group.success .checkbox,.control-group.success .radio,.control-group.success input,.control-group.success select,.control-group.success textarea{color:#333;border-color:#333}.control-group.success .checkbox:focus,.control-group.success .radio:focus,.control-group.success input:focus,.control-group.success select:focus,.control-group.success textarea:focus{border-color:#1a1a1a;-webkit-box-shadow:0 0 6px #666;-moz-box-shadow:0 0 6px #666;box-shadow:0 0 6px #666}.control-group.success .input-append .add-on,.control-group.success .input-prepend .add-on{color:#333;background-color:#333;border-color:#333}input:focus:required:invalid,select:focus:required:invalid,textarea:focus:required:invalid{color:#b94a48;border-color:#ee5f5b}input:focus:required:invalid:focus,select:focus:required:invalid:focus,textarea:focus:required:invalid:focus{border-color:#e9322d;-webkit-box-shadow:0 0 6px #f8b9b7;-moz-box-shadow:0 0 6px #f8b9b7;box-shadow:0 0 6px #f8b9b7}.form-actions{padding:.6em 20px 1.6em;margin-top:1.6em;margin-bottom:1.6em;background-color:#f5f5f5;border-top:1px solid #e5e5e5}.form-actions:after,.form-actions:before{display:table;content:""}.form-actions:after{clear:both}.uneditable-input{overflow:hidden;white-space:nowrap;cursor:not-allowed;background-color:#fff;border-color:#eee;-webkit-box-shadow:inset 0 1px 2px rgba(0,0,0,.025);-moz-box-shadow:inset 0 1px 2px rgba(0,0,0,.025);box-shadow:inset 0 1px 2px rgba(0,0,0,.025)}:-moz-placeholder{color:#d8d8d8}:-ms-input-placeholder{color:#d8d8d8}::-webkit-input-placeholder{color:#d8d8d8}.help-block,.help-inline,.placeholder{color:#d8d8d8}.help-block{display:block;margin-bottom:.8em}.help-inline{display:inline-block;vertical-align:middle;padding-left:5px}.input-append,.input-prepend{margin-bottom:5px}.input-append .uneditable-input,.input-append input,.input-append select,.input-prepend .uneditable-input,.input-prepend input,.input-prepend select{position:relative;margin-bottom:0;vertical-align:middle;-webkit-border-radius:0;-moz-border-radius:0;border-radius:0}.input-append .uneditable-input:focus,.input-append input:focus,.input-append select:focus,.input-prepend .uneditable-input:focus,.input-prepend input:focus,.input-prepend select:focus{z-index:1}.input-append .uneditable-input,.input-prepend .uneditable-input{border-left-color:#ccc}.input-append .add-on,.input-prepend .add-on{display:inline-block;width:auto;height:1.6em;min-width:16px;padding:4px 5px;font-weight:400;line-height:1.6em;text-align:center;text-shadow:0 1px 0 #fff;vertical-align:middle;background-color:#f7f7f7;border:1px solid #ccc}.input-append .add-on,.input-append .btn,.input-prepend .add-on,.input-prepend .btn{margin-left:-1px;-webkit-border-radius:0;-moz-border-radius:0;border-radius:0}.input-append .active,.input-prepend .active{background-color:#84d6fd;border-color:#039be5}.input-prepend .add-on,.input-prepend .btn{margin-right:-1px}.input-append .uneditable-input,.input-append input,.input-append select,.input-prepend .add-on:first-child,.input-prepend .btn:first-child{-webkit-border-radius:0;-moz-border-radius:0;border-radius:0}.input-append .uneditable-input{border-right-color:#ccc;border-left-color:#eee}.input-append .add-on:last-child,.input-append .btn:last-child,.input-prepend.input-append .uneditable-input,.input-prepend.input-append input,.input-prepend.input-append select{-webkit-border-radius:0;-moz-border-radius:0;border-radius:0}.input-prepend.input-append .add-on:first-child,.input-prepend.input-append .btn:first-child{margin-right:-1px;-webkit-border-radius:0;-moz-border-radius:0;border-radius:0}.input-prepend.input-append .add-on:last-child,.input-prepend.input-append .btn:last-child{margin-left:-1px;-webkit-border-radius:0;-moz-border-radius:0;border-radius:0}.search-query{padding-right:14px;padding-left:14px;margin-bottom:0;-webkit-border-radius:14px;-moz-border-radius:14px;border-radius:14px}.form-horizontal .help-inline,.form-horizontal .input-append,.form-horizontal .input-prepend,.form-horizontal .uneditable-input,.form-horizontal input,.form-horizontal select,.form-horizontal textarea,.form-inline .help-inline,.form-inline .input-append,.form-inline .input-prepend,.form-inline .uneditable-input,.form-inline input,.form-inline select,.form-inline textarea,.form-search .help-inline,.form-search .input-append,.form-search .input-prepend,.form-search .uneditable-input,.form-search input,.form-search select,.form-search textarea{display:inline-block;margin-bottom:0}.form-horizontal .hide,.form-inline .hide,.form-search .hide{display:none}.form-inline label,.form-search label{display:inline-block}.form-inline .input-append,.form-inline .input-prepend,.form-search .input-append,.form-search .input-prepend{margin-bottom:0}.form-inline .checkbox,.form-inline .radio,.form-search .checkbox,.form-search .radio{padding-left:0;margin-bottom:0;vertical-align:middle}.form-inline .checkbox input[type=checkbox],.form-inline .radio input[type=radio],.form-search .checkbox input[type=checkbox],.form-search .radio input[type=radio]{float:left;margin-right:3px;margin-left:0}.control-group{margin-bottom:.8em}legend+.control-group{margin-top:1.6em;-webkit-margin-top-collapse:separate}.form-horizontal .control-group{margin-bottom:1.6em}.form-horizontal .control-group:after,.form-horizontal .control-group:before{display:table;content:""}.form-horizontal .control-group:after{clear:both}.form-horizontal .control-label{float:left;width:140px;padding-top:5px;text-align:right}.form-horizontal .controls{margin-left:160px}.form-horizontal .help-block{margin-top:.8em;margin-bottom:0}.form-horizontal .form-actions{padding-left:160px}table{max-width:100%;background-color:transparent;border-collapse:collapse;border-spacing:0}.table{width:100%;margin-bottom:1.6em}.table td,.table th{padding:8px;line-height:1.6em;text-align:left;vertical-align:top;border-top:1px solid #333}.table th{font-weight:700}.table thead th{vertical-align:bottom}.table caption+thead tr:first-child td,.table caption+thead tr:first-child th,.table colgroup+thead tr:first-child td,.table colgroup+thead tr:first-child th,.table thead:first-child tr:first-child td,.table thead:first-child tr:first-child th{border-top:0}.table tbody+tbody{border-top:2px solid #333}.table-condensed td,.table-condensed th{padding:4px 5px}.table-bordered{border:1px solid #333;border-collapse:separate;border-left:0;-webkit-border-radius:4px;-moz-border-radius:4px;border-radius:4px}.table-bordered td,.table-bordered th{border-left:1px solid #333}.table-bordered caption+tbody tr:first-child td,.table-bordered caption+tbody tr:first-child th,.table-bordered caption+thead tr:first-child th,.table-bordered colgroup+tbody tr:first-child td,.table-bordered colgroup+tbody tr:first-child th,.table-bordered colgroup+thead tr:first-child th,.table-bordered tbody:first-child tr:first-child td,.table-bordered tbody:first-child tr:first-child th,.table-bordered thead:first-child tr:first-child th{border-top:0}.table-bordered tbody:first-child tr:first-child td:first-child,.table-bordered thead:first-child tr:first-child th:first-child{-webkit-border-top-left-radius:4px;border-top-left-radius:4px;-moz-border-radius-topleft:4px}.table-bordered tbody:first-child tr:first-child td:last-child,.table-bordered thead:first-child tr:first-child th:last-child{-webkit-border-top-right-radius:4px;border-top-right-radius:4px;-moz-border-radius-topright:4px}.table-bordered tbody:last-child tr:last-child td:first-child,.table-bordered thead:last-child tr:last-child th:first-child{-webkit-border-radius:0 0 0 4px;-moz-border-radius:0 0 0 4px;border-radius:0 0 0 4px;-moz-border-radius-bottomleft:4px}.table-bordered tbody:last-child tr:last-child td:last-child,.table-bordered thead:last-child tr:last-child th:last-child{-webkit-border-bottom-right-radius:4px;border-bottom-right-radius:4px;-moz-border-radius-bottomright:4px}.table-striped tbody tr:nth-child(odd) td,.table-striped tbody tr:nth-child(odd) th{background-color:#f9f9f9}.table-hover tbody tr:hover td,.table-hover tbody tr:hover th{background-color:#f5f5f5}[class*=" icon-"],[class^=icon-]{display:inline-block;width:14px;height:14px;line-height:14px;vertical-align:text-top;background-image:url(../images/glyphicons-halflings.png);background-position:14px 14px;background-repeat:no-repeat}.well{min-height:20px;padding:19px;margin-bottom:20px;background-color:#f5f5f5;border:1px solid #eee;border:1px solid rgba(0,0,0,.05);-webkit-border-radius:4px;-moz-border-radius:4px;border-radius:4px;-webkit-box-shadow:inset 0 1px 1px rgba(0,0,0,.05);-moz-box-shadow:inset 0 1px 1px rgba(0,0,0,.05);box-shadow:inset 0 1px 1px rgba(0,0,0,.05)}.well blockquote{border-color:#ddd;border-color:rgba(0,0,0,.15)}.well-large{padding:24px;-webkit-border-radius:6px;-moz-border-radius:6px;border-radius:6px}.well-small{padding:9px;-webkit-border-radius:3px;-moz-border-radius:3px;border-radius:3px}.alert{padding:16px;margin-bottom:24px;background-color:#f7f7f7;color:#333;-webkit-border-radius:0;-moz-border-radius:0;border-radius:0}.alert a{color:inherit;text-decoration:underline}.alert a:hover{text-decoration:none}.alert-heading{color:inherit}.alert-danger,.alert-dark,.alert-error,.alert-info,.alert-success,.alert-warning{background:#ffc500;color:#fff}.alert-block{padding-top:16px;padding-bottom:16px}.alert-block>p,.alert-block>ul{margin-bottom:0}.alert-block p+p{margin-top:5px}.tooltip{position:absolute;z-index:300;display:block;visibility:visible;padding:5px;font-size:11px;opacity:0;filter:alpha(opacity=0)}.tooltip.in{opacity:.8;filter:alpha(opacity=80)}.tooltip.top{margin-top:-2px}.tooltip.right{margin-left:2px}.tooltip.bottom{margin-top:2px}.tooltip.left{margin-left:-2px}.tooltip.top .tooltip-arrow{bottom:0;left:50%;margin-left:-5px;border-left:5px solid transparent;border-right:5px solid transparent;border-top:5px solid #333}.tooltip.left .tooltip-arrow{top:50%;right:0;margin-top:-5px;border-top:5px solid transparent;border-bottom:5px solid transparent;border-left:5px solid #333}.tooltip.bottom .tooltip-arrow{top:0;left:50%;margin-left:-5px;border-left:5px solid transparent;border-right:5px solid transparent;border-bottom:5px solid #333}.tooltip.right .tooltip-arrow{top:50%;left:0;margin-top:-5px;border-top:5px solid transparent;border-bottom:5px solid transparent;border-right:5px solid #333}.tooltip-inner{max-width:200px;padding:5px 8px 6px;color:#fff;text-align:center;text-decoration:none;text-shadow:0 1px 3px rgba(0,0,0,.5);background-color:#333;line-height:1.3em;-webkit-border-radius:2px;-moz-border-radius:2px;border-radius:2px}.tooltip-inner a{color:#fff;text-decoration:underline}.tooltip-inner a:hover{text-decoration:none}.tooltip-arrow{position:absolute;width:0;height:0}.progress{overflow:hidden;height:18px;margin-bottom:18px;background:repeat-x #f7f7f7;background:-moz-linear-gradient(top,#f5f5f5,#f9f9f9) repeat-x;background:-ms-linear-gradient(top,#f5f5f5,#f9f9f9) repeat-x;background:-webkit-gradient(linear,0 0,0 100%,from(#f5f5f5),to(#f9f9f9)) repeat-x;background:-webkit-linear-gradient(top,#f5f5f5,#f9f9f9) repeat-x;background:-o-linear-gradient(top,#f5f5f5,#f9f9f9) repeat-x;background:linear-gradient(top,#f5f5f5,#f9f9f9) repeat-x;filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#f5f5f5', endColorstr='#f9f9f9', GradientType=0);-webkit-box-shadow:inset 0 1px 2px rgba(0,0,0,.1);-moz-box-shadow:inset 0 1px 2px rgba(0,0,0,.1);box-shadow:inset 0 1px 2px rgba(0,0,0,.1);-webkit-border-radius:4px;-moz-border-radius:4px;border-radius:4px}.progress .bar{width:0;height:18px;color:#fff;font-size:12px;text-align:center;text-shadow:0 -1px 0 rgba(0,0,0,.25);background:repeat-x #0c8ecf;background:-moz-linear-gradient(top,#149bdf,#0480be) repeat-x;background:-ms-linear-gradient(top,#149bdf,#0480be) repeat-x;background:-webkit-gradient(linear,0 0,0 100%,from(#149bdf),to(#0480be)) repeat-x;background:-webkit-linear-gradient(top,#149bdf,#0480be) repeat-x;background:-o-linear-gradient(top,#149bdf,#0480be) repeat-x;background:linear-gradient(top,#149bdf,#0480be) repeat-x;filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#149bdf', endColorstr='#0480be', GradientType=0);-webkit-box-shadow:inset 0 -1px 0 rgba(0,0,0,.15);-moz-box-shadow:inset 0 -1px 0 rgba(0,0,0,.15);box-shadow:inset 0 -1px 0 rgba(0,0,0,.15);-webkit-transition:width .6s ease;-moz-transition:width .6s ease;-ms-transition:width .6s ease;-o-transition:width .6s ease;transition:width .6s ease}.pull-right{float:right}.pull-left{float:left}.hide{display:none}.show{display:block}.invisible{visibility:hidden}.css-sprite-topic-icons-small{background-image:url(//d18l82el6cdm1i.cloudfront.net/site_media/version-17d89c1c98/build_sprites/css-sprite-topic-icons-small.png)}@media (-webkit-min-device-pixel-ratio:1.5),(min-device-pixel-ratio:1.5),(min-resolution:1.5dppx){.css-sprite-topic-icons-small{background-image:url(//d18l82el6cdm1i.cloudfront.net/site_media/version-577eb357a9/build_sprites/css-sprite-topic-icons-small-x2.png);background-size:200px 121px}}.topic-icon-small{background-image:url(//d18l82el6cdm1i.cloudfront.net/site_media/version-17d89c1c98/build_sprites/css-sprite-topic-icons-small.png);background-position:-41px -1px;background-repeat:no-repeat;overflow:hidden;display:inline-block;width:38px;height:39px}@media (-webkit-min-device-pixel-ratio:1.5),(min-device-pixel-ratio:1.5),(min-resolution:1.5dppx){.topic-icon-small{background-image:url(//d18l82el6cdm1i.cloudfront.net/site_media/version-577eb357a9/build_sprites/css-sprite-topic-icons-small-x2.png);background-size:200px 121px}}.topic-icon-small.basic-mathematics,.topic-icon-small.basicmathematics{background-position:-121px -41px}.topic-icon-small.algebra{background-position:-81px -42px}.topic-icon-small.geometry{background-position:-1px -82px}.topic-icon-small.calculus{background-position:-121px -82px}.topic-icon-small.number-theory,.topic-icon-small.numbertheory{background-position:-41px -1px}.topic-icon-small.logic{background-position:-81px -82px}.topic-icon-small.combinatorics{background-position:-1px -1px}.topic-icon-small.classical-mechanics,.topic-icon-small.mechanics,.topic-icon-small.mechanics-2{background-position:-41px -42px}.topic-icon-small.electricity-and-magnetism,.topic-icon-small.electricityandmagnetism{background-position:-81px -1px}.topic-icon-small.computer-science,.topic-icon-small.computerscience{background-position:-121px -1px}.topic-icon-small.quantitative-finance,.topic-icon-small.quantitativefinance{background-position:-161px -1px}.topic-icon-small.sat,.topic-icon-small.sat-math,.topic-icon-small.satmath{background-position:-161px -41px}.topic-icon-small.jee,.topic-icon-small.jee-math,.topic-icon-small.jee-physics{background-position:-41px -82px}.topic-icon-small.chemistry{background-position:-1px -42px}.codehilite .hll{background-color:#ffc}.codehilite{background:#fff}.codehilite .c{color:#aaa;font-style:italic}.codehilite .err{color:#F00000;background-color:#f0a0a0}.codehilite .k{color:#00a}.codehilite .cm{color:#aaa;font-style:italic}.codehilite .cp{color:#4c8317}.codehilite .c1{color:#aaa;font-style:italic}.codehilite .cs{color:#00a;font-style:italic}.codehilite .gd{color:#a00}.codehilite .ge{font-style:italic}.codehilite .gr{color:#a00}.codehilite .gh{color:navy;font-weight:700}.codehilite .gi{color:#0a0}.codehilite .go{color:#888}.codehilite .gp{color:#555}.codehilite .gs{font-weight:700}.codehilite .gu{color:purple;font-weight:700}.codehilite .gt{color:#a00}.codehilite .kc,.codehilite .kd,.codehilite .kn,.codehilite .kp,.codehilite .kr{color:#00a}.codehilite .kt{color:#0aa}.codehilite .m{color:#099}.codehilite .s{color:#a50}.codehilite .na{color:#1e90ff}.codehilite .nb{color:#0aa}.codehilite .nc{color:#0a0;text-decoration:underline}.codehilite .no{color:#a00}.codehilite .nd{color:#888}.codehilite .ni{color:maroon;font-weight:700}.codehilite .nf{color:#0a0}.codehilite .nn{color:#0aa;text-decoration:underline}.codehilite .nt{color:#1e90ff;font-weight:700}.codehilite .nv{color:#a00}.codehilite .ow{color:#00a}.codehilite .w{color:#bbb}.codehilite .mf,.codehilite .mh,.codehilite .mi,.codehilite .mo{color:#099}.codehilite .s2,.codehilite .sb,.codehilite .sc,.codehilite .sd,.codehilite .se,.codehilite .sh,.codehilite .si,.codehilite .sx{color:#a50}.codehilite .sr{color:#099}.codehilite .s1{color:#a50}.codehilite .ss{color:#00a}.codehilite .bp{color:#0aa}.codehilite .vc,.codehilite .vg,.codehilite .vi{color:#a00}.codehilite .il{color:#099}.codehilitetable{table-layout:fixed;width:100%}.codehilitetable.has-lang{position:relative}.codehilitetable.has-lang .code,.codehilitetable.has-lang .linenos{padding-top:32px}.codehilitetable.has-lang .codehilite code:before{content:attr(data-lang);position:absolute;top:0;right:0;left:0;padding:0 16px;border:1px solid #d4d4d4;margin:1px;background:#f5f5f5;color:#bbb;font-family:Menlo,Monaco,Consolas,"Courier New",monospace;font-size:13px;font-weight:500;line-height:32px}.codehilitetable .linenos{width:35px;vertical-align:top}.codehilitetable .linenodiv{position:relative}.codehilitetable .linenodiv pre{position:absolute;min-width:36px;border:1px solid #d4d4d4;color:#bbb;text-align:right;white-space:pre;z-index:0;-webkit-border-radius:0;-moz-border-radius:0;border-radius:0}.codehilitetable .code{vertical-align:top}.codehilitetable .codehilite pre{padding-left:14.5px;padding-right:14.5px;border:1px solid #d4d4d4;overflow:auto;overflow-x:auto;overflow-y:visible;white-space:pre;word-wrap:normal;-webkit-border-radius:0;-moz-border-radius:0;border-radius:0}.btn{display:inline-block;padding:3px 16px;margin-bottom:0;font-size:15px;line-height:1.6em;color:#333;text-align:center;vertical-align:middle;cursor:pointer;background:#f0f0f0;border:1px solid #bbb;outline:0;-webkit-border-radius:4px;-moz-border-radius:4px;border-radius:4px;-webkit-transition:box-shadow 100ms linear,color 100ms linear;-moz-transition:box-shadow 100ms linear,color 100ms linear;-ms-transition:box-shadow 100ms linear,color 100ms linear;-o-transition:box-shadow 100ms linear,color 100ms linear;transition:box-shadow 100ms linear,color 100ms linear;-ms-touch-action:manipulation;touch-action:manipulation}.btn.active,.btn:active,.btn:focus,.btn:hover{text-decoration:none}.btn:active,.btn:focus,.btn:hover{color:#0277bd;-webkit-box-shadow:0 1px 3px #bbb;-moz-box-shadow:0 1px 3px #bbb;box-shadow:0 1px 3px #bbb}.btn.disabled,.btn[disabled]{color:#777;cursor:default;-webkit-box-shadow:none;-moz-box-shadow:none;box-shadow:none;opacity:.3;filter:alpha(opacity=30)}.btn-accent{border-color:#039be5;background:#039be5}.btn-accent,.btn-accent.disabled,.btn-accent:active,.btn-accent:focus,.btn-accent:hover,.btn-accent[disabled]{color:#fff}.btn-green{border-color:#00bd8e;background:#00bd8e}.btn-green,.btn-green.disabled,.btn-green:active,.btn-green:focus,.btn-green:hover,.btn-green[disabled]{color:#fff}.btn-b2-flag{position:relative;padding-left:0;padding-right:32px!important;color:#07a17b;font-size:13px;line-height:1.9em}.btn-b2-flag.flag-left{padding-left:32px!important;padding-right:0!important}.btn-b2-flag.flag-left .b2-flag{left:-1px;right:auto;-webkit-border-radius:2px 0 0 2px;-moz-border-radius:2px 0 0 2px;border-radius:2px 0 0 2px}.btn-b2-flag.disabled:not(.active):focus,.btn-b2-flag.disabled:not(.active):hover{-webkit-box-shadow:none;-moz-box-shadow:none;box-shadow:none}.btn-b2-flag.active{-webkit-box-shadow:0 1px 3px #bbb;-moz-box-shadow:0 1px 3px #bbb;box-shadow:0 1px 3px #bbb}.btn-b2-flag.active-green{background:#00bd8e;color:#fff!important}.btn-b2-flag.active-green:focus,.btn-b2-flag.active-green:hover{color:#fff}.btn-b2-flag.active-green .b2-flag{background:#f0f0f0;color:#00bd8e}.btn-b2-flag.active,.btn-b2-flag:focus,.btn-b2-flag:hover{color:#00bd8e}.btn-b2-flag .b2-flag{position:absolute;top:-1px;right:-1px;width:32px;height:32px;background:#00bd8e;color:#fff;font-size:15px;line-height:32px;-webkit-border-radius:0 2px 2px 0;-moz-border-radius:0 2px 2px 0;border-radius:0 2px 2px 0}.btn-link{padding:0;border:0;background:0 0;line-height:inherit;font:inherit;vertical-align:baseline;color:#0277bd;outline:0}.btn-link:hover{color:#039be5}.btn-profile{color:#333;font-weight:700}.btn-profile:hover{color:#0277bd}.btn-filter{float:left;height:40px;color:#777;line-height:40px;text-align:center}.btn-filter:before{content:'';display:inline-block;width:10px;height:10px;margin-right:3px;border:1px solid #777;vertical-align:-1px;-webkit-border-radius:50%;-moz-border-radius:50%;border-radius:50%}.btn-filter:hover{color:#0277bd}.btn-filter.active{color:#333;font-weight:500;cursor:default}.btn-filter.active:before{border-color:#333;background:#333}.btn-filter.active:hover{color:#333}.btn-filter:last-child{text-align:right}.btn-filter:first-child{text-align:left}.btn-round{-webkit-border-radius:16px;-moz-border-radius:16px;border-radius:16px}.btn-follow.btn-subscribed:active span,.btn-follow.btn-subscribed:focus span,.btn-follow.btn-subscribed:hover span{display:none}.btn-follow.btn-subscribed:active .over,.btn-follow.btn-subscribed:focus .over,.btn-follow.btn-subscribed:hover .over{display:inline}.btn-follow .over{display:none}.btn-follow .check{display:inline-block;width:11px;height:10px;margin:0 5px 0 -2px;background:url(//d18l82el6cdm1i.cloudfront.net/site_media/version-wmGVPkLwKe/images/sprite-contacts.png) -155px 0 no-repeat}.btn-done{display:inline-block;height:30px;padding:0 12px;-webkit-border-radius:15px;-moz-border-radius:15px;border-radius:15px;font-size:17px;line-height:26px;text-align:center;vertical-align:middle;cursor:pointer}.btn-done,.btn-done:active,.btn-done:focus,.btn-done:hover{background:0 0;border:2px solid #777a7a;color:#d8d8d8;text-decoration:none;outline:0}.btn-done:active{background:#404040}.btn-f-b:focus,.btn-f-b:hover{border-color:#4264aa;background:#4264aa;color:#fff}.btn-f-b,.btn-f-b.disabled,.btn-f-b[disabled]{border-color:#3b5998;background:#3b5998;color:#fff}.btn-google:focus,.btn-google:hover{border-color:#e15f4f;background:#e15f4f;color:#fff}.btn-google,.btn-google.disabled,.btn-google[disabled]{border-color:#dd4b39;background:#dd4b39;color:#fff}.btn-tw:focus,.btn-tw:hover{border-color:#09bbff;background:#09bbff;color:#fff}.btn-tw,.btn-tw.disabled,.btn-tw[disabled]{border-color:#00acee;background:#00acee;color:#fff}button.btn::-moz-focus-inner,input[type=submit].btn::-moz-focus-inner{padding:0;border:0}.btn-group{position:relative;-webkit-border-radius:4px;-moz-border-radius:4px;border-radius:4px;-webkit-box-shadow:0 0 0 1px #f3f3f3;-moz-box-shadow:0 0 0 1px #f3f3f3;box-shadow:0 0 0 1px #f3f3f3}.btn-group:after,.btn-group:before{display:table;content:""}.btn-group:after{clear:both}.btn-group+.btn-group{margin-left:5px}.btn-group>.btn{position:relative;float:left;margin-left:-1px;border-color:#d4d4d4;background:#fff;color:#777;-webkit-border-radius:0;-moz-border-radius:0;border-radius:0}.btn-group>.btn:first-child{margin-left:0;-webkit-border-radius:4px 0 0 4px;-moz-border-radius:4px 0 0 4px;border-radius:4px 0 0 4px}.btn-group>.btn:last-child{-webkit-border-radius:0 4px 4px 0;-moz-border-radius:0 4px 4px 0;border-radius:0 4px 4px 0}.btn-group>.btn.active,.btn-group>.btn:active,.btn-group>.btn:focus,.btn-group>.btn:hover{z-index:1;-webkit-box-shadow:none;-moz-box-shadow:none;box-shadow:none}.btn-group>.btn:focus,.btn-group>.btn:hover{color:#0277bd}.btn-group>.btn.active{background:#f0f0f0;color:#333;font-weight:700;cursor:default}.btn-group>.dropdown-toggle{padding-left:8px;padding-right:8px}.btn-group .dropdown-toggle:active,.btn-group.open .dropdown-toggle{outline:0}.btn-group.open .dropdown-toggle{background-image:none;-webkit-box-shadow:inset 0 2px 4px rgba(0,0,0,.15),0 1px 2px rgba(0,0,0,.05);-moz-box-shadow:inset 0 2px 4px rgba(0,0,0,.15),0 1px 2px rgba(0,0,0,.05);box-shadow:inset 0 2px 4px rgba(0,0,0,.15),0 1px 2px rgba(0,0,0,.05)}.btn-group.open .btn.dropdown-toggle{background-color:#333}.btn .caret{float:right;margin-top:8px;margin-left:0;opacity:1;filter:alpha(opacity=100)}.btn:hover .caret,.open.btn-group .caret{border-top-color:#fff}.btn-tabs{border-bottom:1px solid #d4d4d4;font-size:0}.btn-tabs>.btn{position:relative;padding:4px 24px;border:0;background:#fff;color:#777;-webkit-border-radius:0;-moz-border-radius:0;border-radius:0}.btn-tabs>.btn.active,.btn-tabs>.btn:active,.btn-tabs>.btn:focus,.btn-tabs>.btn:hover{-webkit-box-shadow:none;-moz-box-shadow:none;box-shadow:none}.btn-tabs>.btn:focus,.btn-tabs>.btn:hover{color:#0277bd}.btn-tabs>.btn.active{padding-bottom:5px;margin-bottom:-1px;border-bottom:2px solid #333;color:#333;font-weight:700;cursor:default}.qq-uploader{position:relative;width:100%}.qq-uploader .spinner{display:none;float:left;margin:8px 0 0 16px}.qq-upload-button{float:left;width:105px;display:inline-block;padding:3px 16px;margin-bottom:0;font-size:15px;line-height:1.6em;color:#333;text-align:center;vertical-align:middle;cursor:pointer;background:#f0f0f0;border:1px solid #bbb;outline:0;-webkit-border-radius:4px;-moz-border-radius:4px;border-radius:4px;-webkit-transition:box-shadow 100ms linear,color 100ms linear;-moz-transition:box-shadow 100ms linear,color 100ms linear;-ms-transition:box-shadow 100ms linear,color 100ms linear;-o-transition:box-shadow 100ms linear,color 100ms linear;transition:box-shadow 100ms linear,color 100ms linear;-ms-touch-action:manipulation;touch-action:manipulation}.qq-upload-button.active,.qq-upload-button:active,.qq-upload-button:focus,.qq-upload-button:hover{text-decoration:none}.qq-upload-button:active,.qq-upload-button:focus,.qq-upload-button:hover{color:#0277bd;-webkit-box-shadow:0 1px 3px #bbb;-moz-box-shadow:0 1px 3px #bbb;box-shadow:0 1px 3px #bbb}.qq-upload-button.disabled,.qq-upload-button[disabled]{color:#777;cursor:default;-webkit-box-shadow:none;-moz-box-shadow:none;box-shadow:none;opacity:.3;filter:alpha(opacity=30)}.qq-upload-button-hover{background:#333}.qq-upload-button-focus{outline:#000 dotted 1px}.qq-upload-drop-area{position:absolute;top:0;left:0;width:100%;padding:8px 0;border:1px dashed #777;background:#fff;text-align:center;z-index:1}.qq-upload-drop-area span{display:block;position:relative;width:100%;font-size:15px;color:#919191}.qq-upload-drop-area-active{background:#f7f7f7;border-color:#333}.qq-upload-list{display:none}.qq-upload-cancel,.qq-upload-failed-text,.qq-upload-file,.qq-upload-size,.qq-upload-spinner{margin-right:8px}.qq-upload-spinner{display:inline-block;width:16px;height:16px;background:url(//d18l82el6cdm1i.cloudfront.net/site_media/version-0yVF3fCUUB/images/spinner-dark.gif) no-repeat;vertical-align:text-bottom}.qq-upload-cancel,.qq-upload-size{font-size:11px}.qq-upload-failed-text{display:none}.qq-upload-fail .qq-upload-failed-text{display:inline}.dropdown,.dropup{position:relative;width:100%}.dropdown-toggle{display:inline-block;width:100%;padding:3px 28px 3px 8px;border:1px solid #d4d4d4;background:#fff;color:#777;text-align:left;-webkit-border-radius:4px;-moz-border-radius:4px;border-radius:4px}.dropdown-toggle .arrow{position:absolute;top:50%;right:8px;width:0;height:0;margin-top:-2px;border-width:6px;border-top-color:#777;z-index:1}.dropdown-toggle:hover{color:#333}.dropdown-toggle:hover .arrow{border-top-color:#333}.dropdown-toggle.btn-link{padding:0;border:0;color:#0277bd}.dropdown-toggle.btn-link:hover{color:#039be5}.caret{display:none}.dropdown-menu{position:absolute;top:100%;left:0;z-index:100;display:none;float:left;width:100%;min-width:176px;padding-bottom:4px;margin:-1px 0 0;list-style:none;background-color:#fff;border:1px solid #d4d4d4;border-top:0;-webkit-border-radius:0 0 4px 4px;-moz-border-radius:0 0 4px 4px;border-radius:0 0 4px 4px;-webkit-background-clip:padding-box;-moz-background-clip:padding;background-clip:padding-box}.dropdown-menu.pull-right{right:0;left:auto}.dropdown-menu.pull-right>.arrow{right:3px;left:auto}.dropdown-menu .divider{height:1px;margin:4px 0;overflow:hidden;background-color:#777;border-bottom:1px solid #777}.dropdown-menu .btn-link,.dropdown-menu a,.dropdown-menu li>strong{display:block;clear:both;width:100%;padding:4px 16px;color:#777;font-size:.9em;font-weight:400;text-align:left;line-height:1.5em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.dropdown-menu .btn-link.hide,.dropdown-menu a.hide,.dropdown-menu li>strong.hide{display:none}.dropdown-menu .btn-link.active,.dropdown-menu a.active,.dropdown-menu li>strong.active{color:#333;font-weight:700;cursor:default}.dropdown-menu .btn-link.active:hover,.dropdown-menu a.active:hover,.dropdown-menu li>strong.active:hover{color:#333}.dropdown-menu li:last-child a{border-bottom:0}.dropdown-menu .active>a,.dropdown-menu .active>a:hover,.dropdown-menu li .btn-link:hover,.dropdown-menu li>a:hover{color:#0277bd}.open .dropdown-toggle{border-bottom:0;color:#333;-webkit-border-radius:4px 4px 0 0;-moz-border-radius:4px 4px 0 0;border-radius:4px 4px 0 0}.open .dropdown-toggle:hover .arrow{border-top-color:transparent}.open .arrow{display:block;margin-top:-11px;border-bottom-color:#333;border-top-color:transparent}.open>.dropdown-menu{display:block;color:#777}.pull-right>.dropdown-menu{right:0;left:auto}.dropup .arrow{border-top:0;border-bottom:4px solid #333;content:"\2191"}.dropup .dropdown-menu{top:auto;bottom:100%;margin-bottom:1px;border-top:1px solid #d4d4d4;-webkit-border-radius:4px;-moz-border-radius:4px;border-radius:4px}.dropup .arrow{top:auto;bottom:-16px;border-bottom-color:transparent;border-top-color:#d4d4d4}.dropdown.tipsy .dropdown-menu,.dropup.tipsy .dropdown-menu{padding:24px;margin-top:20px;border:1px solid #d8d8d8;-webkit-box-shadow:0 1px 3px rgba(0,0,0,.3);-moz-box-shadow:0 1px 3px rgba(0,0,0,.3);box-shadow:0 1px 3px rgba(0,0,0,.3)}.dropdown.tipsy .dropdown-menu .arrow,.dropup.tipsy .dropdown-menu .arrow{position:absolute;top:-20px;left:-2px;width:32px;height:20px;border:0;overflow:hidden}.dropdown.tipsy .dropdown-menu .arrow:before,.dropup.tipsy .dropdown-menu .arrow:before{content:'';display:block;width:20px;height:20px;margin:9px 0 0 6px;border:1px solid #d8d8d8;background:#fff;-webkit-transform:rotate(45deg);-moz-transform:rotate(45deg);-ms-transform:rotate(45deg);-o-transform:rotate(45deg);transform:rotate(45deg);-webkit-box-shadow:0 1px 3px rgba(0,0,0,.3);-moz-box-shadow:0 1px 3px rgba(0,0,0,.3);box-shadow:0 1px 3px rgba(0,0,0,.3)}.dropdown.tipsy .dropdown-menu .arrow .arrow,.dropup.tipsy .dropdown-menu .arrow .arrow{display:none}.dropdown.tipsy.pull-right .dropdown-menu .arrow,.dropup.tipsy.pull-right .dropdown-menu .arrow{right:-1px;left:auto}.dropup.tipsy .dropdown-menu{margin:0 0 10px}.dropup.tipsy .dropdown-menu .arrow{top:auto;bottom:-20px}.dropup.tipsy .dropdown-menu .arrow:before{margin-top:-11px}.typeahead{width:auto;border-color:#333;z-index:700}