.w{ width:100%; background:url(images/bg1.gif) repeat-x bottom}

.col1, .col2{ float:left}
/*======= width =======*/
.site_center{text-align:left; width:990px; }

/*======= content =======*/
#content .col1{ width:618px;}
#content .col2{ width:372px; line-height:1.4em; font-size:1.05em; color:#696c6b; position:relative}