.slider{--thumbColor:blue;--thumbSize:25px;--bg:blue;background:var(--bg);cursor:"pointer";appearance:none}.slider::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;cursor:"pointer";width:var(--thumbSize);height:var(--thumbSize);background:var(--thumbColor);border-radius:100px}.slider::-moz-range-thumb{cursor:"pointer";width:var(--thumbSize);height:var(--thumbSize);background:var(--thumbColor);border-radius:100px}