.at-articleColumns:last-child {
    margin-bottom: 5em;
}

.at-articleColumns__column {
    position: relative;
    overflow: hidden;
    margin-bottom: 2em;
    padding-top: 58%;
    background: #1e1e1e;
}

.at-articleColumns__image {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-position: center;
    background-size: cover;
    box-shadow: 0 0 0 1px #000 inset;
    -webkit-transform: scale(1.04);
    transform: scale(1.04);
    -webkit-transition: all .5s;
    transition: all .5s;
    will-change: transform;
}

.at-articleColumns__image::before {
    position: absolute;
    top: 0;
    left: 0;
    display: none;
    height: 100%;
    width: 100%;
    content: '';
    background-color: rgba(52, 73, 94, 0.75);
}

.at-articleColumns__column:hover .at-articleColumns__image:before,
.at-articleColumns__column:focus .at-articleColumns__image:before {
    display: block;
}

.at-articleColumns__column:hover .at-articleColumns__image,
.at-articleColumns__column:focus .at-articleColumns__image {
    -webkit-transform: scale(1);
    transform: scale(1);
}

.at-articleColumns__content {
    position: absolute;
    left:  0;
    right: 0;
    bottom: 0;
    padding: 1em;
    color: #ffffff;
    background: -webkit-gradient(linear, left bottom, left top, from(rgba(0,0,0,1)), to(rgba(0,0,0,0)));
    background: linear-gradient(0deg, rgba(0,0,0,1) 0%, rgba(0,0,0,0) 100%);
}

.at-articleColumns__pretitle {
    font-size: 0.7em;
    }

.at-articleColumns__title {
    color: inherit;
    font-size: 0.8em;
}

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

@media screen and (min-width: 768px) {
    .at-articleColumns__column {
        -webkit-box-flex: 0;
        -ms-flex-positive: 0;
        flex-grow: 0;
        -ms-flex-negative: 1;
        flex-shrink: 1;
        -ms-flex-preferred-size: calc(33.33% - 6.66px);
        flex-basis: calc(33.33% - 6.66px);
        width: calc(33.33% - 6.66px);
        margin-bottom: 10px;
        padding-top: 19%;
    }

    .at-articleColumns__highlighted {
        position: relative;
    }

    .at-articleColumns__highlighted .at-articleColumns__column:first-child {
        width: calc(66.666% - 3.333px);
        padding-top: calc(36% + 8.333px);
    }

    .at-articleColumns__highlighted .at-articleColumns__column:nth-child(2),
    .at-articleColumns__highlighted .at-articleColumns__column:nth-child(3) {
        position: absolute;
        right: 0;
        height: calc(50% - 10px);
        padding-top: 0;
    }

    .at-articleColumns__highlighted .at-articleColumns__column:nth-child(2) {
        top: 0;
    }

    .at-articleColumns__highlighted .at-articleColumns__column:nth-child(3) {
        bottom: 0;
    }
}