.slider{-webkit-appearance:none;border-radius:5px;height:15px;opacity:1;outline:none;transition:opacity .2s;width:100%}.slider::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;background:url(../assets/ui/knob.png) no-repeat 50%;background-size:contain;border:none;cursor:pointer;height:40px;margin-top:-16px;width:40px}äslider::-moz-range-thumb{background:url(../assets/ui/knob.png) no-repeat 50%;background-size:contain;border:none;cursor:pointer;height:40px;width:40px}