.strongs-popup {
    position: absolute;
    background: #fff;
    border: 1px solid #ccc;
    padding: 10px;
    font-size: 14px;
    box-shadow: 2px 2px 10px rgba(0, 0, 0, 0.2);
    max-width: 250px;
    z-index: 1000;
    display: none;
}

.strongs-link:hover + .strongs-popup {
    display: block;
}