.at-tiles__tiles {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    margin: 3em 0 2em;
}

.at-tiles__tile {
    position: relative;
    width: 100%;
    margin-bottom: 20px;
    border-radius: 2px;
    text-align: center;
}

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

.at-tiles__link {
    text-decoration: none;
}

.at-tiles__link:hover .at-tiles__title {
    background-color: #2fa9e1;
}

.at-tiles__image {
    display: block;
    width: 100%;
}

.at-tiles__title {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    display: block;
    margin: 0;
    padding: 0.8em 1em;
    font-weight: 700;
    font-size: 1.2em;
    text-align: center;
    color: #fff;
    background-color: rgba(47, 169, 225, 0.8);
}

@media screen and (min-width: 600px) {
    .at-tiles__tile {
        width: calc(33.333% - (40px / 3));
        margin: 0 20px 0 0;
    }
}