body{background:#fff url(http://cdn.corsaire-marketing.fr/enbeaute/fond/groland.png) center center no-repeat;background-attachment:fixed;}
#deco1,#deco2{display:block;width:33%;height:100%;position:fixed;z-index:0;}
#deco1{top:0;left:0;background-color:#54aefa;}
#deco2 {top:0;right:0;background-color:#9e0848;}