.column-block {
    background-color: #fff;
    border: 4px solid #00bc68;
    font-size: 118%;
    margin-bottom: 20px;
    padding: 20px 20px 0;
    width: auto;

    a {
        color: #0079c9;
    }
}

@media (width >= 500px) {
    .column-block {
        width: 500px;
    }
}