@import "mixins/mixins";

@include b(backtop) {
	position: fixed;
	right: 50px;
	bottom: 50px;
	width: 40px;
	height: 40px;
	line-height: 40px;
	text-align: center;
	color: #fff;
	@include e(inner) {
		background: #ccc;
		border-radius: 20px;
	}
}