.backtop {
	position: fixed;
	right: 0px;
	top: 65%;
	z-index: 10000;
}

.backtop
            li {
	background-color: #7EC57C;
	margin-top: 1px;
	transition: margin 0.5s,background
            0.5s;
	-moz-transition: margin 0.5s,background 0.5s;
	-webkit-transition: margin
            0.5s,background 0.5s;
	-o-transition: margin 0.5s,background 0.5s;
}

.backtop
            .mabox:hover {
	margin-left: 0px;
}

.backtop .erweima {
	position: absolute;
	padding: 15px;
	background-color: #47AC44;
	right: -130px;
	opacity: 0;
	margin-top: -43px;
	z-index: -1;
	transition: right 0.5s,opacity 0.6S;
	-webkit-transition: right 0.5s,opacity
            0.6S;
}

.backtop .mabox:hover .erweima {
	right: 40px;
	opacity: 1;
}

.erweima
            h3 {
	color: #fff;
	text-align: center;
	padding-bottom: 10px;
}

.erweima p {
	background-color: #fff;
	text-align: center;
	padding: 0px 0 10px 0;
	margin-bottom: 10px;
}

.backtop
            li:hover {
	margin-left: -65px;
	background-color: #47AC44;
}

.backtop li a {
	position: relative;
	display: block;
	white-space: nowrap;
}

.backtop li a span {
	color: #fff;
	position: absolute;
	left: 42px;
	top: 7px;
}