-webkit-slider-thumb

input[type="range"]::-webkit-slider-thumb {
	-webkit-appearance: none;
	background: #f8b;
	height: 13px;
	width: 13px;
	border-radius: 50%;
	box-shadow: -1px -1px 5px rgba(0,0,0,.5) inset,
		-1px -1px 4px 3px #f08 inset,
		1px 1px 3px rgba(0,0,0,.3),
		-199px 0 0 198px rgba(255, 0, 136, .2);
}