div#box-1 .codice{
position: static;
margin:10px;
border:2px solid #900;
padding:0.2em;
width:100px;
background-color:#eee;
color: #900;
}

div#box-2{
position: relative;
float:left;
margin:10px;
border:2px solid #900;
padding:0.2em;
width:100px;
background-color:#eee;
color: #900;
}
div#box-3{
position: relative;
float:left;
margin:10px;
border:2px solid #900;
padding:0.2em;
width:100px;
background-color:#eee;
color: #900;
}

div#box-4{
position: relative;
clear:left;
margin:10px;
border:2px solid #900;
padding:0.2em;
width:100px;
background-color:#eee;
color: #900;
}