.liv1, .liv2, .liv3, .liv4 {font-size:1px; overflow:hidden; display:block;}
.liv1 {height:1px; background:#ff6600; margin:0 5px;}
.liv2 {height:1px; background:#ffffff; border-right:2px solid #ff6600; border-left:2px solid #ff6600; margin:0 3px;}
.liv3 {height:1px; background:#ffffff; border-right:1px solid #ff6600; border-left:1px solid #ff6600; margin:0 2px;}
.liv4 {height:2px; background:#ffffff; border-right:1px solid #ff6600; border-left:1px solid #ff6600; margin:0 1px;}
.contenuto_r {background: #ffffff; border-right:1px solid #ff6600; border-left:1px solid #ff6600;}
.contenuto_r div {margin-left: 5px;}