#header{
 	position:absolute;
 	top: 0px;
 	left:0px;
 	right: 0px;
 	height:80px;
 	overflow: hidden;
 }
#textlogin{
	position: absolute;
	right:5px;
	top:5px;
	width: 200px;
}
 #content{
 	position:absolute;
 	top:80px;/*usare il valore height dell'header*/
 	bottom:40px;/*usare il valore height del footer*/
 	left:0px;
 	right:0px;
 	overflow:auto;
 	
 	scrollbar-base-color: #000000;
    scrollbar-arrow-color: #CCCCCC;
    scrollbar-track-color: #CCCCCC;
 } 
#questionario{
	margin-left:2em; 	
 	margin-right:2em;
	position:absolute;
	overflow: auto;
}
 #footer {
  	position : absolute;
  	bottom : 0px;
  	left:0px;
  	right:0px;
  	height : 40px;
  	overflow:hidden;
 }
   
 #footer hr {
 	text-align: center;
	clear: both;	
	float: none;
	width: 80%;
	height: 2px;
	margin: 0 0;
	border: none;
	background: #ddd;
	background-image: -webkit-gradient(
	    linear,
	    left top,
	    left bottom,
	    color-stop(0.5, rgb(221,221,221)),
	    color-stop(0.5, rgb(255,255,255))
	);
	background-image: -moz-linear-gradient(
	    center top,
	    rgb(221,221,221) 50%,
	    rgb(255,255,255) 50%
 	);
}