.footer_bootom {
	position: fixed;
	bottom: 0;
	left: 0;
	width: 100%;
	padding: 10px 0;
	background: #fff;
}
.footer_bootom .cbtn {
	display: block;
	margin: 0 auto;
	width: 100%;
	max-width: 720px;
	padding: 15px 0;
	font-size: 20px;
}
footer {
	padding-bottom: 100px;
}