.tail-top{ background:url(images/bg.gif) repeat-x top #fff}

/*======= width =======*/
.main{margin:0 auto; text-align:left; width:1000px; }

/*======= header =======*/
#header {height:182px;  background:url(images/top.jpg) no-repeat top center}

/*======= footer =======*/
#footer { height:197px; }