html{height:100%}body{background:radial-gradient(circle,transparent 50%,#000 150%);box-sizing:border-box;font:16px sans-serif;height:100%;margin:0;min-height:200px;padding:10px;-webkit-touch-callout:none;-webkit-user-select:none;-khtml-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent}canvas{height:100%;width:100%}input[type=range]{-webkit-appearance:none;-moz-appearance:none;appearance:none;background-color:#fff;border:thin solid #000;border-radius:2px;cursor:pointer;display:block;height:8px;margin-top:8px;width:100%}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;background-color:#b3b3b3;border:thin solid #000;border-radius:2px;height:20px;width:14px}input[type=range]::-moz-range-thumb{-moz-appearance:none;background-color:#b3b3b3;border:thin solid #000;border-radius:2px;height:20px;width:14px}button{-webkit-appearance:none;-moz-appearance:none;appearance:none;background-color:#fff;border:thin solid #000;border-radius:2px;color:#000;cursor:pointer;font:16px sans-serif;margin-right:20px;min-width:76px;padding:8px 10px}button:focus,button:hover{background-color:#8a8a8a;color:#fff}button:last-child{margin-right:0}.settings-background{background-color:rgba(0,0,0,.5);cursor:default;display:flex;justify-content:center;align-items:center;position:fixed;top:0;bottom:0;left:0;right:0}.settings-window{background-color:#606060;border:thin solid #000;border-radius:2px;box-shadow:0 14px 28px rgba(0,0,0,.25),0 10px 10px rgba(0,0,0,.22);color:#fff;display:flex;flex-direction:column;padding:20px;width:250px}.settings-item{margin-bottom:20px}.settings-footer{display:flex;justify-content:flex-end;margin-top:20px}.button-bar{bottom:16px;display:flex;position:fixed;right:16px;transition:opacity .2s}.button-bar>button{all:unset;background-size:contain;cursor:pointer;height:32px;margin-right:16px;opacity:.4;transition:opacity .2s;width:32px}.button-bar>button:last-of-type{margin-right:0}.button-bar>button:focus,.button-bar>button:hover{opacity:1}#btnSettings{background-image:url(../img/icon-settings.svg)}#btnFullscreen{background-image:url(../img/icon-fullscreen.svg)}