/**common css**/
*{margin:0px;padding:0px}
body{background:#FFFFFF}

/**wrapper**/
#wrapper{width:800px;margin:10px auto;background:#FB9000}

/**header**/
#header{width:100%;height:100px;background:#5AD400;line-height:80px;font-size:30px;font-weight:bold}
#Tab1{float:left;width:33.3%;height:100px;background:#0080C0}
#Tab2{float:left;width:33.3%;height:100px;background:#0080C0}
#Tab3{float:left;width:33.3%;height:100px;background:#0080C0}

/**content**/
#content{width:100%}
#post1{width:100%;height:200px}
#post2{width:100%;height:200px;display:none}
#post3{width:100%;height:200px;display:none}

#post1,#post2,#post3{background:#8080FF}