.codes {
    display: block;
    width: 100%;
    overflow: scroll;
    white-space: nowrap;
    height: 2.5em;
    font-size: 100%;
    background-color: #FFF;
    color: #000;
    border: 1px solid #000;
}

body {
background-image:url(sfondo.jpg);
background-position:top;
background-repeat:no-repeat;
background-color: #F0F5F5;
    color: #000;
    font-family: sans-serif;
	margin:auto;

}
.content {
margin-top: 170px;
}
.table {
margin-left:150px;
}
.txt
{
margin-left:50px;
margin-right:50px;
}

#showdiv {
    text-align: center;
}
#squares {
    text-align: center;
}
#squares iframe {
    margin: 0 auto;
}
#codes input{
	width: 80%;
}
#footer {
	text-align: center;
	font-size: small;
	color: #fff;
background-color:#000;
}
#descr {
	text-align: left;
	font-size: small;
}