.main_page .btns {
	position: fixed;
	width: 100%;
	bottom: 0px;
}

.main_page .btns button {
	width: 100%;
	border: none;
	color: #FFF;
	height: 3em;
	font-size: 1.2em;
}

.main_page .btns .disable {
	background: #999;
}