#main {margin:0 auto; width:973px;} #header {height:414px} .col_1, .col_3{ float:left;} .col_2{ float:right;} /*======= index.html =======*/ #page1 #content .col_1 {width:632px;} #page1 #content .col_2 { width:341px;} /*======= index-1.html =======*/ #page2 #content .col_1 {width:630px;} #page2 #content .col_2 { width:343px;} /*======= index-2.html =======*/ #page3 #content .col_1 {width:632px;} #page3 #content .col_2 { width:341px;} /*======= index-3.html =======*/ #page4 #content .col_1 { width:629px; } #page4 #content .col_2 { width:341px;} #page4 #content .col_3 { width:343px;} /*======= index-4.html =======*/ #page5 #content .col_1 {width:632px;} #page5 #content .col_2 { width:341px;} /*======= index-5.html =======*/ #page6 #content .col_1 { width:973px; } #page6 #content .col_2 { width:500px; } /*======= index-6.html =======*/ #page7 #content .col_1 {width:973px;} /*=========================*/ #footer {height:46px}