#base {
	width: 720px;
	margin-left: auto;
	margin-right: auto;
}
#first-line {
	height: 180px;
}
#first-left {
	float: left;
	width: 360px;
}
#first-right {
	float: right;
	width: 360px;
}
#second-line {
	height: 105px;
}
#thard-line {
	height: 105px;
}
#forth-line {
	height: 105px;
}
#second-left {
    float: left;
	width: 360px;
}	
#second-rigtht {
	float: right;
	width: 360px;
}
#thard-left {
    float: left;
	width: 360px;
}	
#thard-rigtht {
	float: right;
	width: 360px;
}
#forth-left {
    float: left;
	width: 360px;
}	
#forth-rigtht {
	float: right;
	width: 360px;
}
#page-left {
	width: 120px;
	float:left
}
#page-right {
	width: 600px;
	float:right
}