#main-box .body:after,
#menu:after,
#search:after,
#footer-menu:after{content: "."; display: block; height: 0; clear: both; font-size: 0; visibility: hidden;}
#main-box .body,
#menu,
#search,
#footer-menu{display: inline-block;}
* html
#main-box .body,
#menu,
#search,
#footer-menu{height: 1%;}
#main-box .body,
#menu,
#search,
#footer-menu{display: block;}