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.select-label::after{border:none;position:initial;width:initial;height:initial;margin-left:0.5rem;-moz-osx-font-smoothing:grayscale;-webkit-font-smoothing:antialiased;display:inline-block;font-style:normal;font-variant:normal;text-rendering:auto;line-height:1;font-family:"Font Awesome 5 Pro";font-weight:900;content:"";line-height:1.5rem;opacity:initial}form .input .tail-select.active .select-label{border-radius:0.2rem 0.2rem 0 0}form .input .tail-select.active.open-top .select-label{border-radius:0 0 0.2rem 0.2rem}form .input .tail-select.active .select-label::after{transform:rotate(180deg)}form .input .tail-select .select-dropdown ul,form .input .tail-select .select-dropdown ul li{font-size:inherit;line-height:inherit}form .input .tail-select .select-dropdown ul li{padding:0.25rem}form .input .tail-select .select-dropdown .dropdown-option::before{background-image:none !important;position:initial;width:1rem;height:initial;margin:0 0.5rem;-moz-osx-font-smoothing:grayscale;-webkit-font-smoothing:antialiased;display:inline-block;font-style:normal;font-variant:normal;text-rendering:auto;line-height:1;font-family:"Font Awesome 5 Pro";font-weight:900;content:"";line-height:1.5rem}form .input .tail-select.multiple .select-dropdown .dropdown-option.selected:hover::before{-moz-osx-font-smoothing:grayscale;-webkit-font-smoothing:antialiased;display:inline-block;font-style:normal;font-variant:normal;text-rendering:auto;line-height:1;font-family:"Font Awesome 5 Pro";font-weight:900;content:"";line-height:1.5rem}form .input .tail-select .dropdown-search{border-radius:0;border-style:none none solid}form .input .tail-select .dropdown-search input{border:0 !important;padding:0.5rem !important;min-width:initial !important;font-size:inherit}form .input .tail-select .label-count{padding-right:0.5rem;margin-right:0.5rem;font-size:inherit;line-height:inherit}form .input textarea{min-height:10rem;min-width:40rem}form .input input[type="file"],form .input .existing-file{display:inline-block;min-width:20rem}form .input .existing-file{line-height:1.5rem;padding:0.5rem 0}form .input .error{display:block;margin-top:0.5rem;color:#db052c}form .input.with_errors input:not([type="checkbox"]):not([type="radio"]):not([type="button"]):not([type="submit"]):not([type="reset"]):not([type="file"]),form .input.with_errors textarea{border-color:#db052c}form .input.with_errors .tail-select .select-label,form .input.with_errors .tail-select .select-dropdown,form .input.with_errors .tail-select .dropdown-search{border-color:#db052c}form .nested h4{margin-bottom:0.5rem;font-weight:bold}form .nested .nested-fields{padding:1rem;margin-bottom:0.5rem;background:#deefff;display:flex}form .nested .nested-fields .input{margin-bottom:0;margin-right:1rem}form .nested .nested-fields .remove_fields{display:inline-block;line-height:1;padding:calc(0.5rem - 1px) 0.5rem;border-radius:0.2rem;text-decoration:none;border:none;border-bottom-width:2px;border-bottom-style:solid;background:#db052c;color:white;border-bottom-color:#90031d;line-height:1.5rem;margin-top:2rem}form .nested .nested-fields .remove_fields:visited{color:white}form .nested .nested-fields .remove_fields:hover{background:#fa1942}form .nested .add_fields{display:inline-block;line-height:1;padding:calc(0.5rem - 1px) 0.5rem;border-radius:0.2rem;text-decoration:none;border:none;border-bottom-width:2px;border-bottom-style:solid;background:#40c057;color:white;border-bottom-color:#2d873d;line-height:1.5rem;margin-bottom:1rem}form .nested .add_fields:visited{color:white}form .nested .add_fields:hover{background:#66cd79}form .actions{padding-top:1rem;border-top:1px solid #ddd}form .actions input[type="button"],form .actions input[type="submit"],form .actions button{display:inline-block;line-height:1;padding:calc(0.5rem - 1px) 0.5rem;border-radius:0.2rem;text-decoration:none;border:none;border-bottom-width:2px;border-bottom-style:solid;background:#004d95;color:white;border-bottom-color:#002549;line-height:1.5rem;padding-left:1rem;padding-right:1rem}form .actions input[type="button"]:visited,form .actions input[type="submit"]:visited,form .actions button:visited{color:white}form .actions input[type="button"]:hover,form .actions input[type="submit"]:hover,form .actions button:hover{background:#0067c8}form .actions .back{padding:0.5rem}form .actions .back a{color:inherit;text-decoration:none}form .actions .back a:hover{text-decoration:underline}@keyframes yellowfade{from{background:#ffecb8}}.highlight{animation:yellowfade 2.5s}#page{position:relative}#modal-overlay{position:absolute;top:-1rem;bottom:-1rem;left:-1rem;right:-1rem;background:rgba(0,0,0,0.4);padding:4rem}#modal-overlay #modal{background:#f1f3f5;max-height:100%;display:flex;flex-direction:column}#modal-overlay #modal>header,#modal-overlay #modal #modal-main{padding:1rem}#modal-overlay #modal>header{display:flex;background:#00305e;color:white}#modal-overlay #modal>header h3{flex:1;margin:0;line-height:2rem;margin-right:auto}#modal-overlay #modal>header .close{color:inherit;text-decoration:none;margin-left:1rem;font-size:2.5rem;line-height:2rem}#modal-overlay #modal #modal-main{overflow-y:auto;flex:1}.progress{display:flex;background-color:#e9ecef;height:1rem}.progress>*{height:100%}.progress .correct{background:#40c057}.progress .incorrect{background:#fa5252}.progress .unmarked{background:#228be6}.progress .bronze{background:#d9480f}.progress .silver{background:#ced4da}.progress .gold{background:#fab005}.progress .platinum{background:#4dabf7}.progress .kryptonite{background:#a9e34b}.reveal{display:inline-block;line-height:1;padding:calc(0.5rem - 1px) 0.5rem;border-radius:0.2rem;text-decoration:none;border:none;border-bottom-width:2px;border-bottom-style:solid;background:#004d95;color:white;border-bottom-color:#002549}.reveal:visited{color:white}.reveal:hover{background:#0067c8}.reveal-content{display:none}.hljs{display:block;overflow-x:auto;padding:0.5em;background:#23241f}.hljs,.hljs-tag,.hljs-subst{color:#f8f8f2}.hljs-strong,.hljs-emphasis{color:#a8a8a2}.hljs-bullet,.hljs-quote,.hljs-number,.hljs-regexp,.hljs-literal,.hljs-link{color:#ae81ff}.hljs-code,.hljs-title,.hljs-section,.hljs-selector-class{color:#a6e22e}.hljs-strong{font-weight:bold}.hljs-emphasis{font-style:italic}.hljs-keyword,.hljs-selector-tag,.hljs-name,.hljs-attr{color:#f92672}.hljs-symbol,.hljs-attribute{color:#66d9ef}.hljs-params,.hljs-class .hljs-title{color:#f8f8f2}.hljs-string,.hljs-type,.hljs-built_in,.hljs-builtin-name,.hljs-selector-id,.hljs-selector-attr,.hljs-selector-pseudo,.hljs-addition,.hljs-variable,.hljs-template-variable{color:#e6db74}.hljs-comment,.hljs-deletion,.hljs-meta{color:#75715e}pre{padding:0;border:0}pre code{padding:10px}table{width:100%;table-layout:fixed}table thead{font-weight:bold;border-bottom:2px solid #aaa}table td,table th{border-right:1px solid #aaa;padding:0.5rem 1rem;text-align:left;line-height:2rem}table td:last-child,table th:last-child{border-right:none}table tbody tr:nth-child(2n+1){background:#f9f9f9}table tbody tr.sortable-chosen td{background:#deefff}table td ul{list-style:none;margin:0;padding:0}.tabs nav{border-bottom:1px solid #e9ecef;display:flex;margin-bottom:1rem}.tabs nav a{color:inherit;text-decoration:none;padding:0.5rem;font-weight:700}.tabs nav a.selected-tab{background:#e9ecef}.tile{background:white;margin-bottom:1rem;padding:1rem}.tile header{margin-bottom:1rem;display:flex}.tile header:last-child{margin-bottom:0}.tile header h3,.tile header h4{flex:1;margin:0;line-height:2rem}.tile-row{display:flex;flex-wrap:wrap;gap:1rem;margin-bottom:1rem}.tile-row .tile{flex:1;min-width:30rem;margin-bottom:0}.upload .drop-wrapper{margin-bottom:1rem}.upload .uppy-Root,.upload .uppy-DragDrop-container,.upload .uppy-StatusBar,.upload .uppy-DragDrop-label{font-family:inherit;font-size:inherit}.upload .uppy-DragDrop--is-dragdrop-supported{border:1px solid #777}.upload.with_errors .uppy-DragDrop--is-dragdrop-supported{border-color:#db052c}.upload .uppy-DragDrop-container{border-radius:0.2rem}.upload .uppy-DragDrop-inner{padding:3rem}.upload .uppy-DragDrop-arrow{display:none}.upload .uppy-DragDrop-label,.upload .uppy-DragDrop-note{margin:0;display:block}.upload .uppy-DragDrop-note{margin-top:0.5rem}.upload .uppy-DragDrop-browse{display:inline-block;line-height:1;padding:calc(0.5rem - 1px) 0.5rem;border-radius:0.2rem;text-decoration:none;border:none;border-bottom-width:2px;border-bottom-style:solid;background:#004d95;color:white;border-bottom-color:#002549}.upload .uppy-DragDrop-browse:visited{color:white}.upload .uppy-DragDrop-browse:hover{background:#0067c8}.upload .error{display:block;margin-top:0.5rem;color:#db052c}.upload .uppy-StatusBar{margin-bottom:1rem;overflow-y:hidden;background:#f9f9f9}.upload .uppy-StatusBar.is-waiting{margin-bottom:0}.upload .uppy-StatusBar.is-complete .uppy-StatusBar-statusIndicator{color:#40c057}.upload .uppy-StatusBar.is-complete .uppy-StatusBar-progress{background-color:#40c057}.upload .file-list{margin-bottom:1rem;transition:margin-bottom 0.2s}.upload .file-list.hidden,.upload .file-list:empty{margin-bottom:0}.upload .file-list.hidden ul,.upload .file-list:empty ul{margin:0}.upload .file-list ul{list-style:none;margin:0;padding:0;display:flex;margin:-0.25rem}.upload .file-list ul li{background-color:#deefff;padding:0.5rem;margin:0.25rem;border-radius:0.2rem;line-height:1.5rem;display:flex}.upload .remove{color:inherit;text-decoration:none;font-size:1.5rem;line-height:1rem;padding:0 0.25rem 0 0.5rem;margin-top:0.25rem;color:rgba(52,58,64,0.75)}.upload .remove:hover{color:#343a40}#report .progress{height:2rem}#report .progress-stack .progress{height:0.5rem}#report a.marking{text-align:center;width:100%;display:inline-block;line-height:1;padding:calc(0.5rem - 1px) 0.5rem;border-radius:0.2rem;text-decoration:none;border:none;border-bottom-width:2px;border-bottom-style:solid}#report a.marking.correct{background:#40c057;color:white;border-bottom-color:#2d873d}#report a.marking.correct:visited{color:white}#report a.marking.correct:hover{background:#66cd79}#report a.marking.incorrect{background:#fa5252;color:white;border-bottom-color:#f80808}#report a.marking.incorrect:visited{color:white}#report a.marking.incorrect:hover{background:#fb8484}#report a.marking.unmarked{background:#228be6;color:white;border-bottom-color:#1363a8}#report a.marking.unmarked:visited{color:white}#report a.marking.unmarked:hover{background:#50a3eb}#session{height:100%;display:flex;align-items:center;justify-content:center}#session form{background:white;padding:1rem}#session input[type="submit"]{width:100%}#submission iframe{width:100%;height:30rem}#submission .download{display:inline-block;line-height:1;padding:calc(0.5rem - 1px) 0.5rem;border-radius:0.2rem;text-decoration:none;border:none;border-bottom-width:2px;border-bottom-style:solid;background:#40c057;color:white;border-bottom-color:#2d873d}#submission .download:visited{color:white}#submission .download:hover{background:#66cd79}#submission #comments .comment{display:flex;margin-bottom:1rem}#submission #comments .comment:last-child{margin-bottom:0}#submission #comments .comment .content{margin-right:auto}#submission #comments .comment .content p{margin-bottom:0}#submission #comments .comment .content .info{font-size:0.9rem;color:#868e96}#submission #comments .comment .actions{margin-left:1rem}#submission #new_comment textarea{min-height:5rem}#submission-marking,#submission-marking>div{display:flex}#submission-marking>div{gap:0.25rem}#submission-marking .marking{margin-right:0.5rem;border-right:1px solid #deefff;padding-right:0.5rem}#submission-marking a{display:inline-block;line-height:1;padding:calc(0.5rem - 1px) 0.5rem;border-radius:0.2rem;text-decoration:none;border:none;border-bottom-width:2px;border-bottom-style:solid}#submission-marking a.correct{background:#40c057;color:white;border-bottom-color:#2d873d}#submission-marking a.correct:visited{color:white}#submission-marking a.correct:hover{background:#66cd79}#submission-marking a.incorrect{background:#fa5252;color:white;border-bottom-color:#f80808}#submission-marking a.incorrect:visited{color:white}#submission-marking a.incorrect:hover{background:#fb8484}#submission-marking a.reset{background:#228be6;color:white;border-bottom-color:#1363a8}#submission-marking a.reset:visited{color:white}#submission-marking a.reset:hover{background:#50a3eb}#submission-marking a.reveal-solution{background:white;color:#00305e;border-bottom-color:#d9d9d9;padding-left:2.45rem;position:relative;transition:background 0.2s, border-bottom-color 0.2s, color 0.2s}#submission-marking a.reveal-solution:visited{color:#00305e}#submission-marking a.reveal-solution:hover{background:white}#submission-marking a.reveal-solution .toggle-wrap{height:1rem;border-radius:0.5rem;background:#00305e;position:absolute;width:1.7rem;left:0.5rem;top:0.5rem;padding:0.15rem}#submission-marking a.reveal-solution .toggle{height:100%;display:grid;grid-template-columns:0fr 1fr 1fr;transition:0.2s}#submission-marking a.reveal-solution .toggle::after{content:"";border-radius:50%;background:white;grid-column:2;transition:background 0.2s}#submission-marking a.reveal-solution.on{background:#40c057;color:white;border-bottom-color:#2d873d}#submission-marking a.reveal-solution.on:visited{color:white}#submission-marking a.reveal-solution.on:hover{background:#66cd79}#submission-marking a.reveal-solution.on .toggle{grid-template-columns:1fr 1fr 0fr}#submission-marking a.reveal-solution.on .toggle::after{background-color:#40c057}#teaching-group{display:flex;flex-direction:column;height:100%}#teaching-group header{display:flex;padding:1rem;margin-bottom:1rem;background:#db052c}#teaching-group header h2{margin-bottom:0}#teaching-group nav#course-nav{margin:1rem}#teaching-group nav#course-nav ul{list-style:none;margin:0;padding:0}#teaching-group nav#course-nav a{color:inherit;text-decoration:none}#teaching-group nav#course-nav>ul>li{margin-bottom:1rem}#teaching-group nav#course-nav>ul>li h3{margin-bottom:0.5rem}#teaching-group nav#course-nav>ul>li h3 a::before{-moz-osx-font-smoothing:grayscale;-webkit-font-smoothing:antialiased;display:inline-block;font-style:normal;font-variant:normal;text-rendering:auto;line-height:1;font-family:"Font Awesome 5 Pro";font-weight:900;content:"";margin-right:0.5rem;transition:transform 0.1s ease}#teaching-group nav#course-nav>ul>li.active h3 a::before{transform:rotate(90deg)}#teaching-group nav#course-nav>ul>li .progress{height:0.5rem;margin-bottom:1rem}#teaching-group nav#course-nav>ul>li>ul{display:none}#teaching-group nav#course-nav>ul>li.active>ul{display:block}#teaching-group nav#course-nav .topic>ul>li{background-color:white;border-bottom:1px solid #004d95;color:#00305e;font-weight:700}#teaching-group nav#course-nav .topic>ul>li:last-child{border-bottom:none}#teaching-group nav#course-nav .topic>ul>li>a{display:block;padding:0.5rem}#teaching-group nav#course-nav .topic>ul>li>ul{display:none}#teaching-group nav#course-nav .topic>ul>li.active>ul{display:block}#teaching-group nav#course-nav .task-group>ul{border-top:1px solid #004d95}#teaching-group nav#course-nav .task-group>ul>li{background-color:#deefff;padding-left:2rem;border-bottom:1px solid #004d95}#teaching-group nav#course-nav .task-group>ul>li:last-child{border-bottom:none}#teaching-group nav#course-nav .task-group>ul>li>a{display:block;padding:0.5rem}#teaching-group nav#course-nav .task span::before{-moz-osx-font-smoothing:grayscale;-webkit-font-smoothing:antialiased;display:inline-block;font-style:normal;font-variant:normal;text-rendering:auto;line-height:1;font-family:"Font Awesome 5 Pro";font-weight:900;content:"";margin-right:0.5rem}#teaching-group nav#course-nav .task span.bronze::before{color:#d9480f}#teaching-group nav#course-nav .task span.silver::before{color:#ced4da}#teaching-group nav#course-nav .task span.gold::before{color:#fab005}#teaching-group nav#course-nav .task span.platinum::before{color:#4dabf7}#teaching-group nav#course-nav .task span.kryptonite::before{color:#a9e34b}#teaching-group nav#course-nav .task span.unmarked::after,#teaching-group nav#course-nav .task span.correct::after,#teaching-group nav#course-nav .task span.incorrect::after{float:right;line-height:1.5rem !important}#teaching-group nav#course-nav .task span.unmarked::after{-moz-osx-font-smoothing:grayscale;-webkit-font-smoothing:antialiased;display:inline-block;font-style:normal;font-variant:normal;text-rendering:auto;line-height:1;font-family:"Font Awesome 5 Pro";font-weight:900;content:"";color:#228be6}#teaching-group nav#course-nav .task span.correct::after{-moz-osx-font-smoothing:grayscale;-webkit-font-smoothing:antialiased;display:inline-block;font-style:normal;font-variant:normal;text-rendering:auto;line-height:1;font-family:"Font Awesome 5 Pro";font-weight:900;content:"";color:#40c057}#teaching-group nav#course-nav .task span.incorrect::after{-moz-osx-font-smoothing:grayscale;-webkit-font-smoothing:antialiased;display:inline-block;font-style:normal;font-variant:normal;text-rendering:auto;line-height:1;font-family:"Font Awesome 5 Pro";font-weight:900;content:"";color:#fa5252}#teaching-group nav#teacher-nav{background:#00407c;padding:1rem;margin-top:auto}#teaching-group nav#teacher-nav ul{list-style:none;margin:0;padding:0}#teaching-group nav#teacher-nav a{color:inherit;text-decoration:none}#teaching-group nav#teacher-nav li{background-color:white;border-bottom:1px solid #004d95;color:#00305e;font-weight:700}#teaching-group nav#teacher-nav li:last-child{border-bottom:none}#teaching-group nav#teacher-nav li>a{display:block;padding:0.5rem}#stage{height:100%}#task ol#submissions-list{list-style:none;margin:0;padding:0}#task ol#submissions-list li{padding:0.5rem;line-height:2rem;border-bottom:1px solid #777;display:flex}#task ol#submissions-list li:last-child{border-bottom:none}#task ol#submissions-list li.unmarked::before,#task ol#submissions-list li.correct::before,#task ol#submissions-list li.incorrect::before{margin-right:0.5rem;line-height:inherit !important;width:1rem}#task ol#submissions-list li.unmarked::before{-moz-osx-font-smoothing:grayscale;-webkit-font-smoothing:antialiased;display:inline-block;font-style:normal;font-variant:normal;text-rendering:auto;line-height:1;font-family:"Font Awesome 5 Pro";font-weight:900;content:"";color:#228be6}#task ol#submissions-list li.correct::before{-moz-osx-font-smoothing:grayscale;-webkit-font-smoothing:antialiased;display:inline-block;font-style:normal;font-variant:normal;text-rendering:auto;line-height:1;font-family:"Font Awesome 5 Pro";font-weight:900;content:"";color:#40c057}#task ol#submissions-list li.incorrect::before{-moz-osx-font-smoothing:grayscale;-webkit-font-smoothing:antialiased;display:inline-block;font-style:normal;font-variant:normal;text-rendering:auto;line-height:1;font-family:"Font Awesome 5 Pro";font-weight:900;content:"";color:#fa5252}#task ol#submissions-list li .comments{margin-right:0.5rem;padding:0 0.5rem;font-weight:700;background-color:#deefff;border-radius:0.2rem}#task ol#submissions-list li .comments::before{-moz-osx-font-smoothing:grayscale;-webkit-font-smoothing:antialiased;display:inline-block;font-style:normal;font-variant:normal;text-rendering:auto;line-height:1;font-family:"Font Awesome 5 Pro";font-weight:900;content:"";margin-right:0.25rem}