.tooltip {
    position: relative;
    display: inline-block;
    border: 5px dotted black;
}

.tooltip .tooltip-image {
    display: none;
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
}

.tooltip:hover .tooltip-image {
    display: block;
}

.image-container {
    position: relative;
}

.highlight {
    position: absolute;
    border: 2px solid;
}