/* The location pointed to by the popup tip. */
.popup-tip-anchor {
    height: 0;
    position: absolute;
    /* The max width of the info window. */
    width: 200px;
}
/* The bubble is anchored above the tip. */
.popup-bubble-anchor {
    position: absolute;
    width: 100%;
    left: -20%;
    top: -1vw;
}
/* The popup bubble itself. */
.popup-bubble-content {
    position: absolute;
    top: 0;
    left: 0;
    transform: translate(-50%, -100%);
    /* Style the info window. */
    background-color: white;
    padding: 5px;
    border-radius: 5px;
    font-family: sans-serif;
    overflow-y: auto;
    max-height: 60px;
    box-shadow: 0px 2px 10px 1px rgba(0,0,0,0.5);
}