.popup {
    position: fixed;
    z-index: 2147483647;
    pointer-events: none;
    opacity: 0;
    background: var(--background-color);
    color: var(--font-color);
    border-radius: var(--global-radius);
    padding: 0.5em 1em;
    transition: opacity .1s;
    font-size: 12px;
    max-width: 300px;
    left: 0;
    top: 0;
    transform: translate(-50%, -130%);
    box-shadow: var(--container-shadow);
}