stable/docs/stylesheets/ft.extra.css

.rst-versions  {
    font-size: .7rem;
    color: white;
}

.rst-versions.rst-badge .rst-current-version {
    font-size: .7rem;
    color: white;
}

.rst-versions .rst-other-versions {
    color: white;
}


#widget-wrapper {
    height: calc(220px * 0.5625 + 18px);
    width: 220px;
    margin: 0 auto 16px auto;
    border-style: solid;
    border-color: var(--md-code-bg-color);
    border-width: 1px;
    border-radius: 5px;
}

@media screen and (max-width: calc(76.25em - 1px)) {
    #widget-wrapper { display: none; }
}