.overlay-wrapper {
    position: absolute;
    z-index: 10;
}

.overlay {
    position: relative;
    width: 24px;
    height: 24px;
    background-color: white;
    border-radius: 0% 50% 50% 50%;
    cursor: pointer;
	box-shadow: 0px 0px 10px black;
}

.overlay span {
    color: black;
    font-size: 24px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.overlay-text {
    display: none;
    position: absolute;
    background-color: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 10px;
    border-radius: 5px;
    max-width: 200px;
    z-index: 999;
}