.overlay {
    background: rgba(0, 255, 255, 0.3);
    cursor: grab;
    padding: 0px;
    color: #000;
    pointer-events: auto;
}

    .overlay.active {
        animation: lightup ease-in-out 2.0s;
        background: rgba(255, 200, 0, 0.3);
    }

@keyframes lightup {
    0% {
        background: rgba(0, 255, 255, 0.3);
    }

    30% {
        background: rgba(255, 200, 0, 0.3);
    }

    100% {
        background: rgba(255, 200, 0, 0.3);
    }
}