.back-btn{
	display: inline-block;
	position: absolute;
	width: 28px;
	height: 28px;
	z-index: 9999;
	top: 20px;
	right: 20px;
}

.back-btn img{
	display: inline-block;
	width: 28px;
	height: 28px;
	cursor:pointer;
}