.door-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    display: flex;
}

.door {
    flex: 1;
    background-size: cover;
    background-position: center;
}

.door-left {
    background-image: url('../images/main-art-l.png');
    transform: translateX(0);
}

.door-right {
    background-image: url('../images/main-art-r.png');
    transform: translateX(0);
}