.rtop, .rbottom{display:block; }
.rtop *, .rbottom *{display: block; height: 1px; overflow: hidden}
.r1{margin: 0 5px;}
.r2{margin: 0 3px;}
.r3{margin: 0 2px;}
.r4{margin: 0 1px; height: 2px; }
.rcontainer {
  margin-top: 5px;
  margin-bottom: 5px;
}
.rcontain{padding: 5px;}