.col-1, .col-2, .col-3, .col-4{ float:left}
/*======= width =======*/
.main{margin:0 auto; text-align:left; width:937px; }

/*======= header =======*/
#header {height:470px;}

/*======= index.html =======*/
#page1 #content .col-1{ width:228px; margin-right:42px}
#page1 #content .col-2{ width:592px}
#page1 #content .col-3{ width:257px; margin-right:78px}
#page1 #content .col-4{ width:257px}
#page1 #content .bg{ background:url(images/tail1.gif) repeat-y 295px top } 
/*======= index-1.html =======*/
#page2 #content .col-1{ width:228px; margin-right:42px}
#page2 #content .col-2{ width:592px}
#page2 #content .col-3{ width:277px; margin-right:53px}
#page2 #content .col-4{ width:262px}
#page2 #content .bg{ background:url(images/tail1.gif) repeat-y 295px top } 

/*======= footer =======*/
#footer { height:55px; }