#howto
{

    width:99%;
	height:20px;
	background-color:#EFEFEF;
	border:1px solid #000000;
	/*visibility: hidden;
*/


}

#howto-imgs
{
/*	visibility: hidden;
*/
}

.nob
{
    border:0px;
}

#mainid
{
    /*background-image:url("http://www.matematicamente.it/staticfiles/giochi/gioca_con_la_matematica/resto/pics/back_game.jpg");
*/
	width:615px;
	height:550px;
	text-align:center;
/*	padding-left:11px;
*/
/*	padding-top:52px;
*/
	background-repeat:no-repeat;
}

.divclasse
{
    background-image:url("http://www.matematicamente.it/staticfiles/giochi/gioca_con_la_matematica/resto/pics/back_game.jpg");
	width:615px;
	height:550px;
	text-align:center;
	padding-left:11px;
	padding-top:52px;
	background-repeat:no-repeat;
}

#secondid
{
    background-image:url("http://www.matematicamente.it/staticfiles/giochi/gioca_con_la_matematica/resto/pics/back_bottom.jpg");
1	width:615px;
	height:550px;
}

#s
{
    font-family:trubuchet ms;
	font-size:20px;
	color:#FFFFFF;

	font-weight:bold;
}

resto-img 
{
    border:1px solid #000000;
    padding: 0px 0px 0px 0px;
}