#contenuto{
float: left;
display: inline;
text-align: left;
width: 674px;
margin-left: 0px;
/*margin-right: 10px;*/
}

#menu_destra{
float: right;
text-align: center;
padding-top:5px;
padding-bottom:15px;
display: inline;
width: 300px;


}