body{
	margin: 0px;
	padding: 0px;
}
#shapko{
	margin-top: 10px;
	margin-bottom: 20px;
	margin-left: 10px;
	margin-right: 10px;
}
#center_block{
	width: 60%;
	margin: auto;
}
#left_block{
	background-color: #B0C4DE;
	width: 15%;
	height: 800px;
	float: left;
	margin-top: 20px;
	margin-bottom: 20px;
	margin-left: 20px;
	margin-right: 20px;
}
#right_block{
	width: 15%;
	height: 800px;
	float: right;
	margin-top: 20px;
	margin-bottom: 20px;
	margin-left: 20px;
	margin-right: 20px;
}
#footer{
	clear: both;
	margin-top: 20px;
	margin-bottom: 20px;
	margin-left: 20px;
	margin-right: 20px;
}