.at-threeColumns {
    margin-bottom: 3em;
}

.at-threeColumns__title {
    font-size: 1.1em;
}

.at-threeColumns__columns {
    display: -webkit-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    flex-wrap: wrap;
    margin: 0;
    padding: 0;
    list-style: none;
}

.at-threeColumns__column {
    position: relative;
    margin: 0 0 1em 0;
    border-radius: 5px;
    overflow: hidden;
}

.at-threeColumns__columnImage {
    display: block;
    transition: transform .3s ease-out;
}

.at-threeColumns__column:hover .at-threeColumns__columnImage {
    transform: scale(1.1);
}

.at-threeColumns__columnLink {
    display: -webkit-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    align-items: center;
    text-align: center;
    justify-content: center;
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 1;
    margin: 0;
    color: #002e52;
    background-color: #0000003d;
}

.at-threeColumns__linkOverlay {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
}

.at-threeColumns__columnLink,
.at-threeColumns__link {
    text-decoration: none;
    font-size: 1.2em;
    font-weight: 500;
    color: #fff;
    text-shadow: 0 2px 10px #000;
}

.at-threeColumns__columnLink:hover {
    color: #fff;
    text-decoration: none;
}

@media screen and (min-width: 500px) {
    .at-threeColumns__column {
        margin: 0 1em 1em 0;
        width: calc(100% / 2 - 0.5em);
    }

    .at-threeColumns__column:nth-child(2n) {
        margin-right: 0;
    }
}

@media screen and (min-width: 768px) {
    .at-threeColumns__columns {
        flex-wrap: nowrap;
    }

    .at-threeColumns__column {
        width: calc(100% / 3 - 0.8em);
    }

    .at-threeColumns__column:nth-child(2n) {
        margin-right: 1em;
    }

    .at-threeColumns__column:last-child {
        margin-right: 0;
    }
}