.image-map {
    position: relative;
}

.image-map img {
    width: 100%;
}

.pin-button {
    position: absolute;
    background-color: var(--white);
    top: var(--y-value);
    left: var(--x-value);
    width: 15px;
    height: 15px;
    border-radius: 50%;
    transition: background-color .2s;
}

.pin-button::after {
    content: '';
    position: absolute;
    z-index: 1;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    border-radius: inherit;
    background-color: transparent;
    animation: cd-pulse 2s infinite;
    box-shadow: inset 0 0 1px 1px rgb(255 255 255 / 80%);
}

@keyframes cd-pulse {
    0% {
        transform: scale(1);
        opacity: 1;
    }

    50% {
        opacity: 1;
    }
    
    100% {
        transform: scale(1.6);
        opacity: 0;
    }
}