.clear{clear:both}
body{background:#FFFFFF}

/**wrapper start**/
.wrapper{width:1000px;height:1000px;border:1px;margin:20px auto;background:#AF9BFB}

/**header start**/
#header{width:100%;height:150px;background:#008080}

/**content start**/
#content{}
#post-1{width:100%;height:100px;background:#80FF80}
#post-2{width:100%;height:200px;background:#D84CD8}
#post-3{width:100%;height:200px;background:#3EFF3E}
.right-sidebar{float:left;width:40%;height:200px;background:#215AE0}
#post-4{width:100%;height:200px;background:#FF004C}
.left-sidebar{float:left;width:60%;height:200px;background:#13D2F4}
/**footer start**/
#footer{width:100%;height:150px;background:#008080}