*{
    margin: 0;
    padding: 0;
}

.wrap img{
    width: 100%;
    display: block;
}
.bottom{
	position:fixed;
    z-index: 9999;
    bottom: 168px;
	right: 50px;
    height: 48px;
    width: 100%;
	cursor: pointer;
}
.bottom img{
	float:right;
	width: 14%;
}