#game_view {
	top          :0%;
    left         :0%;
	position     :fixed;
	margin-right :auto;
    margin-left  :auto;	
    display      :block;
   }
   
 body {
    background            : #000000;
	background-repeat     : no-repeat;
	background-position   : center center;
	background-attachment : fixed;
	margin: auto;
 }