Additional Styles MediaWiki:Common.css

table[class="panel4"] {
    width: 100%;
    border-spacing: 5px;
}

td[class="panel4"] {
    width: 25%; 
    border: 1px solid silver;
    vertical-align: top; 
}

td[class="panel4Blank"] {
    width: 25%; 
    border: none;
}

/* Styles for forcing columns to rows */
@media only screen and (max-width: 800px) {
    td[class="panel4"] {
        display: block;
        padding-right: 0 !important;
        width: 100%;
        margin-bottom: 5px;
    }
    td[class="panel4Blank"] {
        display: none;
    }
}