.popUp {
    z-index: 100000000;
    position: absolute;

    background-color: #3498db;
    color: white;

    font-weight: 500;

    opacity: 0.5;


    max-height: 0;
    overflow: hidden;

    transition: 0.1s ease-in-out max-height;
}

.popUp div {
    padding: 5px 10px;
    text-wrap: nowrap;
}