.nobordo {border:0; margin:0; padding:0;}
.ombra .l1, .ombra .l2 {display:block; position:absolute; top:2px; left:2px; right:2px; bottom:2px;}
.ombra {display:block; position:relative; background:#bbb; border:2px solid #ddd; margin:20px 10px;}
.ombra .l1 {background:#999; border:2px solid #aaa;}
.ombra .l2 {background:#777; border:2px solid #888;}
.ombra .luce {position:absolute; top:-15px; left:-15px; bottom:10px; right:10px; background:#fff; border:1px solid #eee; padding:7px; margin:0;}
.ritaglio {background: #eee; font:fixed; border:1px dashed #333; margin:0 20px; padding:30px;}
.ritaglio::before {display:block; position: absolute; margin:-42px 0 20px 0; height:22px; font-size:20px; content:"8<";}
.iritaglio::before {display:block; position: absolute; margin:-39px 0 23px 0; height:16px; content:url(forbici.gif);}
.bandiera {
 height:0; width:0;
 border-left:100px solid red;
 border-top: 100px solid red;
 border-right: 100px solid black;
 border-bottom:100px solid black;}