img.frontpage-logo {
    height: 80px;
    display: block;
    margin: 0 auto;
}

h1.frontpage-header {
    text-align: center;
}

.wy-side-nav-search {
    background: radial-gradient(hsl(204 64% 63% / 1), #2980b9);
}

.wy-side-nav-search > div.version {
    color: #fff !important;
}

div.document iframe {
    width: 100%;
    height: 520px;
    border: none;
}