* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

.page {
    display: flex;
    height: 100vh;
    width: 100%;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.video_container {
    height: 50vh;
    font-size: 50vh;
    width: 1em;
}

.scene,
.card,
.card__face {
    width: 100%;
    height: 100%;
}

.scene {
    perspective: 800px;
}

.card {
    transition: transform 1s;
    transform-style: preserve-3d;
    cursor: pointer;
    position: relative;
}

.card.is-flipped {
    transform: rotateY(180deg);
}

.card__face {
    position: absolute;
    line-height: 260px;
    color: white;
    text-align: center;
    font-weight: bold;
    font-size: 40px;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
}

.card__face--front {
    background-image: url("images/nature.jpg");
    background-position: center center;
    background-repeat: no-repeat;
    background-size: cover;
}

.card__face--back {
    background: #407D97;
    transform: rotateY(180deg);
}