#main{
	z-index: 5; 
	margin: 0 auto;
	float:left;
	width:700px; height:auto;
	text-align: left;
	line-height: 15px;
	}
	
#ads300x250{
	z-index: 10; 
	margin: 20px auto;
	float:right;
	width:300px; height:600px;
	text-align: center;
	line-height:50px;
	}
	
.content_red {
	margin: 0 auto;
	padding: 10px;
	width:650px; height:auto;
	background-color:#660000;
	text-align: left;
	font-size:18px; color: #fff;
	line-height: 28px;
	border-radius:20px;
	border:solid 3px #fff;
	}
	
.content_green {
	margin: 0 auto;
	padding: 10px;
	width:650px; height:auto;
	background-color:#196600;
	text-align: left;
	font-size:18px; color: #fff;
	line-height: 28px;
	border-radius:20px;
	border:solid 3px #fff;}
	
.content_green img {
	border:solid 3px #fff;
	border-radius:20px;}