.colorbar-overlay {
    position: fixed;
    right: 0px;
    top: 50%;
    transform: translate(+25%, -50%);
    z-index: 9999;
    pointer-events: none;
}

.colorbar-overlay img {
    height: 70vh;
    width: auto;
    display: block;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.3));
}