#bit-box {
    position: relative;
    margin-top: 10px;
    margin-bottom: 10px;
    padding: 0;
    overflow: hidden;
    line-height: 0;
}
#bit-holder {
    width: 100%;
    aspect-ratio: 1 / 1;
    background: #000;
}
#bit-holder canvas {
    display: block;
    cursor: pointer;
    outline: none;
}
#bit-caption {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 6px;
    text-align: center;
    font-size: 10px;
    line-height: 1;
    letter-spacing: 1px;
    color: #8a8a8a;
    text-shadow: none;
    pointer-events: none;
    user-select: none;
}