.cf:before,.cf:after{content:"";display:table}
.cf:after{clear:both}
.cf{zoom:1}

* html,p,h1,h2,h3,h4,h5,h6,hr,ul,ol,li,blockquote,q,td,tr,table,div,dl,dd,dt,a,input,text,button,form,span,img,fieldset,label,figure,figcaption{margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}
body {font-family: Arial,Helvetica,sans-serif; color:#fff; font-size:12px; height:100%; margin:0; text-align:left; background-color:#000; }

#layout{position:absolute;width:0px;height:0px;top:0px;left:0px;background-color:#000;}
#layout{background: url(../images/_x1/floor.jpg) repeat 0px 0px;}
@media all and (-webkit-min-device-pixel-ratio: 2) {
    #layout{background: url(../images/_x2/floor.jpg) repeat 0px 0px;background-size:150px 150px;}
}