.outer {
	position: relative;
	width: 250px;
	height: 40px;
	line-height: 40px;
	background: #ccc9c9;
	font-size: 12px;
	margin:auto;
	float:left;
    -webkit-touch-callout: none;
	-webkit-user-select: none;
	-khtml-user-select: none;
	-moz-user-select: none;
	-ms-user-select: none;
	user-select: none;
}
.outer span, .filter-box, .inner {
	position: absolute;
	top: 0;
	left: 0;
}
.outer span {
	display: block;
	padding: 0 0 0 12px;
	width: 100%;
	height: 100%;
    color: #fff;
	text-align: center;
}
.txtRoll {
	-webkit-text-fill-color: transparent;
	-webkit-background-clip: text;
	-webkit-background-size: 200% 100%;
	animation: bgp 3s infinite linear;
}
@-webkit-keyframes bgp {
	0% {
		background-position: 0 0;
	}
	100% {
		background-position: -100% 0;
	}
}
.filter-box {
	width: 0;
	height: 100%;
	background: #7AC23C;
}
.outer.act span {
	padding: 0 12px 0 0;
}
.inner {
	width: 36px;
	height: 40px;
	text-align: center;
	background: #fff;
	cursor: pointer;
	font-family: "宋体";
	font-weight: bold;
	color: #929292;
}
.outer.act .inner {
	color: #ff9e77;
}
.outer.act span {
	z-index: 99;
}