#main {margin:0 auto; width:780px;}

#header_link{height:51px}
#header_logo{height:175px}

.col_1, .col_2, .col_3, .col_box_1, .col_box_2, .col_box_1a, .col_box_2a{ float:left;}

#content .col_2{
	width:100%;
}