.col-1, .col-2, .col-3, .col-4, .col1, .col2, .col3{ float:left}
/*======= width =======*/
.main{margin:0 auto; text-align:left; width:900px; background:#FFFFFF; }

/*======= header =======*/
#header {height:158px;}


.col1{ width:300px; height:138px; background:url(images/banner1.jpg) no-repeat}
.col2{ width:300px; height:138px; background:url(images/banner2.jpg) no-repeat}
.col3{ width:300px; height:138px; background:url(images/banner3.jpg) no-repeat}
/*======= index.html =======*/
#page1 #content .col-1{ width:566px; border-right:1px solid #e3d5bb}
#page1 #content .col-2{ width:286px; border-left:1px solid #e3d5bb; margin-left:-1px}
/*======= index-1.html =======*/
#page2 #content .col-1{ width:286px; border-right:1px solid #e3d5bb}
#page2 #content .col-2{ width:556px; border-left:1px solid #e3d5bb; margin-left:-1px}
/*======= index-2.html =======*/
#page3 #content .col-1{ width:366px; border-right:1px solid #e3d5bb}
#page3 #content .col-2{ width:486px; border-left:1px solid #e3d5bb; margin-left:-1px}


/*======= footer =======*/
#footer { height:155px; background: url("images/frame_grass.png") no-repeat bottom;
 }