.col-1, .col-2, .col-3, .col-4, .menu, .content{ float:left}
/*======= width =======*/
.main{width:980px; background:url(images/bg_cont.jpg) no-repeat top left }
#page1 .main{background:url(images/bg.gif) no-repeat top left }

.menu{ width:569px; height:657px}
.content{ width:350px}

#page3 #content { background:url(images/3page_cont.jpg) no-repeat top left}
#page4 #content { background:url(images/4page_cont.jpg) no-repeat top left}
#page5 #content { background:url(images/5page_cont.jpg) no-repeat top left}
#page6 #content { background:url(images/6page_cont.jpg) no-repeat top left}
#page7 #content { background:url(images/7page_cont.jpg) no-repeat top left}

/*======= footer =======*/
#footer { height:93px; margin:0 71px 0 569px; background:url(images/bot.gif) repeat-x top }