.vertical-middle .column-block {
    display: table-cell;
    vertical-align: middle;
    float: none;
}
@media only screen and (min-width:800px) {
.three-col .column-block,
.z-three-col .column-block {
    width: 30%;
    margin-right: 5%;
}}

.column-block,
.z-column-block {
    float: left;
}

.three-col .column-block:nth-child(3n),
.z-three-col .column-block:nth-child(3n) {
    margin-right: 0px;
}

.two-col .vertical-middle .column-block:nth-child(2n),
.z-two-col .vertical-middle .column-block:nth-child(2n) {
    padding-right: 0px;
}