.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
}

.rs1{margin: 0 2px}
.rs2{margin: 0 1px}