/* (c) Mathigon, generated by Mathigon Studio */
x-solved{border-radius:12px;box-shadow:0 5px 20px rgba(0,0,0,.2);box-sizing:border-box;display:none;left:50%;margin:20px 0 0 -100px;padding:5px 15px 15px;position:absolute;width:200px;z-index:200}x-solved x-icon.sketch{margin:0 auto;fill:#fff;display:block;opacity:.8}x-solved .message{color:#fff;font-size:24px;font-weight:600;line-height:1.2;text-align:center}x-solved .close{cursor:pointer;padding:8px;position:absolute;right:0;top:0;transition:transform .2s;z-index:10}x-solved .close x-icon{fill:hsla(0,0%,100%,.4);display:block;transition:fill .2s}x-solved .close:hover{transform:scale(1.4)}x-solved .close:hover .icon{fill:#fff}.svg-block{margin:0 0 1em}x-parallax.full-width{height:480px;left:calc(520px - 50vw);margin:1.5em 0;position:relative;width:calc(100vw - 280px)}@media screen and (max-width:1120px){x-parallax.full-width{left:-40px}}@media screen and (max-width:840px){x-parallax.full-width{width:100vw}}@media screen and (max-width:540px){x-parallax.full-width{left:-24px}}x-parallax.full-width .credit{background:rgba(0,0,0,.5);bottom:0;color:#fff;font-size:11px;padding:1px 8px;position:absolute;right:0}@keyframes effects-pulse-down{0%{transform:scale(1)}30%{transform:scale(.9)}65%{transform:scale(1.04)}85%{transform:scale(.98)}to{transform:scale(1)}}.effects-pulse-down{animation:effects-pulse-down .5s}.drawing-path{fill:none;stroke:rgba(0,0,0,.7);stroke-width:6px;stroke-linecap:round;stroke-linejoin:round;pointer-events:none}html[theme=dark] .drawing-path{stroke:hsla(0,0%,100%,.8)}.node{stroke:#f5f5f6;fill:#cd0e66;stroke-width:2px;cursor:move}html[theme=dark] .node{stroke:#2d2c38}.link{stroke:#c5c2cc;stroke-width:2px;fill:transparent}.arrow{fill:#c5c2cc}.graph{background:#f5f5f6;border-radius:4px}html[theme=dark] .graph{background:#2d2c38}#graph0 .node{transform:scale(1);transform-origin:center;transition:transform .5s cubic-bezier(.175,.885,.32,1.275)}#graph0.novertices .node{cursor:default;transform:scale(0)}#graph0 .link{stroke-dasharray:70px;stroke-dashoffset:140px;transition:stroke-dashoffset 1.6s}#graph0.noedges .link{stroke-dashoffset:70px}.person{border-radius:20px;color:#fff;display:inline-block;font-weight:600;height:24px;line-height:24px;text-align:center;width:24px}.handshakes .duplicate{opacity:1;transition:opacity .5s}.complete .handshakes .duplicate{opacity:.1}.handshakes td{color:#666;text-align:center}@media screen and (max-width:1100px){.handshakes{line-height:1.4;max-width:500px;width:100%}.handshakes .person{margin-left:calc(50% - 12px);margin-right:calc(50% - 12px)}}.house{fill:#eee}html[theme=dark] .house{fill:#383742}.bridge{fill:#fd8c00;stroke:transparent;stroke-width:16px;transition:fill .2s}.bridge.green{fill:#22ab24}.bridge.red{fill:#cd0e66}.water{fill:#57a8f6}#planarity{margin-top:-20px}#planarity circle{fill:#0f82f2;cursor:move;stroke:#cfe6fc;stroke-width:2.5px}#planarity circle.intersect{fill:#cd0e66}#planarity line{stroke:rgba(0,0,0,.3);stroke-width:2.5px}#planarity line.intersect{stroke:#cd0e66}#konigsberg-proof text{font-weight:600;text-anchor:middle;fill:#fff;font-size:32px}.utility{z-index:10}.utility1,.utility2,.utility3{opacity:0;transition:opacity .3s}#planar-1 .link,#planar-2 .link,#planar-3 .link{stroke-width:3px}.box>.btn,.tab .btn{bottom:10px;left:10px;position:absolute}.tab .btn.right{left:auto;right:10px}.four-colour-icons{display:flex;flex-wrap:wrap;justify-content:center;margin-bottom:1em}.four-colour-icon{border:5px solid transparent;border-radius:100%;cursor:pointer;height:40px;margin:0 4px;opacity:.6;width:40px}.four-colour-icon.on{border-color:rgba(0,0,0,.6);opacity:1}.four-colours .solve{left:auto;right:10px}.four-colours path{cursor:pointer;transition:.2s}.four-colours path:hover{opacity:.8}.colour-count{color:#181824;font-size:22px;font-weight:600;margin:8px 0 -12px;text-align:center}#dominoes{cursor:pointer}#dominoes g rect{fill:#999}#dominoes g text{fill:#f2f2f2;font-size:18px;letter-spacing:-1px}#dominoes g{transform-origin:bottom right;transition:transform .1s linear}.tsm{background:url(/content/graph-theory/images/map.jpg);background-size:cover;border-radius:6px}.tsm rect{fill:transparent;cursor:pointer}.tsm circle{fill:#cd0e66;cursor:move}.tsm path{fill:none;stroke:#0f82f2;stroke-width:6}.vertex-orders text{font-size:18px;fill:#fff}.vertex-orders circle{transition:fill .5s}.euler-sum{border-top:1px solid #ddd;margin:.4em 0 0;opacity:0;padding-top:.4em}#euler-2 .node{stroke:#fff}.euler-table{background:#e2e1e6;border-radius:8px;line-height:1.2;padding:8px 12px;position:absolute;right:0;top:20px}.euler-table p{margin:0}