body.rp-overlay-shown {
    position: relative;
}

.rp-overlay-backdrop {
    position: fixed;
    z-index: 999;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: rgba(0,0,0,0.5);
}

.rp-overlay {
    position: absolute;
    z-index: 999;
    top: 10vh;
    left: 0;
    right: 0;
    width: 90vw;
    max-width: 140ch;
    margin: auto;
    padding: 10ch;
    background-color: #fff;
}

.rp-overlay .close {
    position: absolute;
    top: 0.25rem;
    right: 0.5rem;
    font-family: sans-serif;
    font-weight: bold;
    font-size: 1.5rem;
    cursor: pointer;
}