div {
border: 1px solid black;	
}
  header, #rw-content-wrapper, footer {
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
    -moz-background-clip: padding-box !important;
    -webkit-background-clip: padding-box !important;
    background-clip: padding-box !important;
    width: 960px;
    margin: 0 auto;
	border: 1px solid black;
	 } 
	 #rw-content-wrapper, header, #footer-background {
		 min-width: 960px;
		 
  
	 }