.display-container {
    width: 400px; 
    height: 400px; 
    position: relative;
    border: 1px solid black;
}

#quad-container {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
    font-size: 0;
}

.single-look > canvas {
    left: 50%;
    top: 50%;
    position: relative;
    transform: translate(-50%, -50%);
    z-index: -1;
}

.single-container {
    width: 50%;
    height: 50%;
    display: inline-block;
    overflow: hidden;
}

.single-look {
    height: 80%;
    width: 100%;
}

.single-label {
    line-height: 30px;
    text-align: center;
    height: 20%;
    width: 100%;
    font-size: 12px;
    display: none;
    background: white;
}

#quad-container::before, #quad-container::after {
    content: '';
    display: block;
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    margin: auto;
    background: black;
}

#quad-container::before {
    width: 100%;
    height: 1px;
}

#quad-container::after {
    height: 100%;
    width: 1px;
}

.countdown-overlay {
    position: absolute;
    height: 100%;
    width: 100%;
    background-color: black;
    opacity: 0.7;
    text-align: center;
    line-height: 400px;
    color: white;
    font-size: 80px;
}

#countdown {
    display: none;
}

#loading-overlay {
    position: absolute;
    display: none;
    width: 100%;
    height: 100%;
    top: 0;
}