.principle-banner {
    position: fixed;
    bottom: 0;
    right: 0;
    left: 0;
    z-index: 9999;
    display: flex;
    gap: .75rem;
    align-items: center;
    padding: .65rem 1rem;
    background: #000;
    border-bottom: none;
    font: 500 14px/1.4 system-ui
}

.principle-banner b {
    margin-right: .25rem;
    font-variant: small-caps;
}

.principle-banner .actions {
    margin-left: auto;
    display: flex;
    gap: .5rem
}

.principle-banner button {
    border: 0;
    padding: .35rem .6rem;
    border-radius: 6px;
    cursor: pointer
}

.principle-banner .ok {
    background: #222;
    color: #fff
}
.principle-banner .ok:hover {
    background: #333
}

.principle-banner .next {
    background: darkgrey;
}

body.banner-hidden main, body.banner-hidden .md-content, body.banner-hidden .wy-nav-content {
    filter: blur(5px)
}