/*设置回顶项*/

.scroll {
	display: none;
	border: solid 1px #E8E8E8;
	width: 60px;
	height: 60px;
	background: white;
	color: black;
	line-height: 60px;
	text-align: center;
	position: fixed;
	cursor: pointer;
	right: 20px;
	bottom: 235px;
	z-index: 999;
}
#to_top_black{
	width: 60px;
}
#scroll_img {
	width: 60px;
	height: 60px;
	position: absolute;
}

#scroll:hover {
	border: none;
	width: 62px;
	height: 62px;
	background-color: #8f000b;
}