@charset "UTF-8";

.maincontent {
	width: 80%;
	height: auto;
	border: 3px solid gray;
	margin: 0 auto;
}
.leftcolumn {
	width: 30%;
	height: 600px;
	background-color: #E6E6E6;
	float: left;
}
.rightcolumn {
	width: 70%;
	height: 600px;
	background-color:#B3B3B3;
	float: left;
}
footer {
	width: 100%;
	height: 100px;
	background-color: #5C5C5C;
	clear: both;
}