.spacer-h5{
    float: left;
    width: 100%;
    height: 5px;
    line-height: 0;
    font-size: 1px;
}
.spacer-h10{
    float: left;
    width: 100%;
    height: 10px;
    line-height: 0;
    font-size: 1px;
}
.spacer-h15{
    float: left;
    width: 100%;
    height: 15px;
    line-height: 0;
    font-size: 1px;
}
.spacer-h20{
    float: left;
    width: 100%;
    height: 20px;
    line-height: 0;
    font-size: 1px;
}