.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
}