.advent-modal-banner {
    position: relative;
    padding-bottom: 40%;
    background-image: url('../images/adventcalendar-banner-bg.jpg');
    background-repeat: no-repeat;
    background-size: cover;
    margin-bottom: 1rem;
}

.advent-modal-banner > .row {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
}


.advent-modal-banner h5.banner-title {
    font-size: 20px;
}

.advent-modal-banner p.intro {
    font-size: 14px;
}