.container {background:#f2f3f7; color:#191970;  margin: 15px;}
.rtop, .rbottom{
display:block;
background:#fff;
}
.rtop *, .rbottom *{
display: block;
height: 1px;
overflow: hidden;
background:#ccc;
}
.r1{margin: 0 5px}
.r2{margin: 0 3px}
.r3{margin: 0 2px}
.r4{
margin: 0 1px;
height: 2px
}
.container1 {background:#ccc; color:#fff; margin:0 15px;}
.rtop, .rbottom{
display:block;
background:#fff;
}
.rtop *, .rbottom *{
display: block;
height: 1px;
overflow: hidden;
background:#ccc;
}
.r1{margin: 0 5px}
.r2{margin: 0 3px}
.r3{margin: 0 2px}
.r4{
margin: 0 1px;
height: 2px
}
.container2 {background:#f5f5dc; color:#191970; margin: 15px;}
.rtop, .rbottom{
display:block;
background:#fff;
}
.rtop *, .rbottom *{
display: block;
height: 1px;
overflow: hidden;
background:#ccc;
}
.r1{margin: 0 5px}
.r2{margin: 0 3px}
.r3{margin: 0 2px}
.r4{
margin: 0 1px;
height: 2px
}

.container3 {background:#f2f3f7; color:#191970; margin:0 15px;}
.rtop, .rbottom{
display:block;
background:#fff;
}
.rtop *, .rbottom *{
display: block;
height: 1px;
overflow: hidden;
background:#f2f3f7;
}
.r1{margin: 0 5px}
.r2{margin: 0 3px}
.r3{margin: 0 2px}
.r4{
margin: 0 1px;
height: 2px
}
.container4 {background:#ddd; color:#191970;  margin: 15px;}
.rtop, .rbottom{
display:block;
background:#fff;
}
.rtop *, .rbottom *{
display: block;
height: 1px;
overflow: hidden;
background:#ccc;
}
.r1{margin: 0 5px}
.r2{margin: 0 3px}
.r3{margin: 0 2px}
.r4{
margin: 0 1px;
height: 2px
}