.spacer-h3{
    clear: both;
    width: 1px;
    height: 3px;
    line-height: 0;
    font-size: 1px;
}
.spacer-h5{
    clear: both;
    width: 1px;
    height: 5px;
    line-height: 0;
    font-size: 1px;
}
.spacer-h15{
    clear: both;
    width: 1px;
    height: 15px;
    line-height: 0;
    font-size: 1px;
}
.spacer-h18{
    clear: both;
    width: 1px;
    height: 18px;
    line-height: 0;
    font-size: 1px;
}