*{
	padding: 0;
	margin: 0;
}

#box {
	position: relative;
	width: 340px;
	height: 40px;
	margin-top: 10px;
	background-color: #e8e8e8;
	box-shadow: 1px 1px 5px rgba(0, 0, 0, 0.2);
}

.bgColor {
	position: absolute;
	left: 0;
	top: 0;
	width: 40px;
	height: 40px;
	background-color: lightblue;
}

.txt {
	position: absolute;
	width: 100%;
	height: 40px;
	line-height: 40px;
	font-size: 14px;
	color: #000;
	text-align: center;
}

.slider {
	position: absolute;
	left: 0;
	top: 0;
	width: 40px;
	height: 40px;
	border: 1px solid #ccc;
	background: #fff;
	text-align: center;
	cursor: move;
}

.slider>i {
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
}

.slider.active>i {
	color: green;
}