.divarrondignt1 { background:#ffffff; width:400px; } b.dtop, b.dbas{ display :block;background:#F1F1F1; 
font-size:1px; } b.dtop b, b.dbas b{display:block;height: 1px; font-size:1px; 
overflow: hidden; background:#ffffff;} b .r1 {margin: 0 5px ; font-size:1px;} 
b.r2{margin: 0 3px ; font-size:1px;} b.r3{margin: 0 2px ; font-size:1px;} b.dtop 
b.r4, b.dbas b.r4{margin: 0 1px;height: 2px; font-size:1px;}