.channel-banner {
    margin: 0 0 1.5em 0;
    padding: 0.9em 1.1em;
    border-left: 4px solid;
    border-radius: 0 4px 4px 0;
    font-size: 0.95em;
    line-height: 1.5;
    background: rgba(255, 255, 255, 0.04);
}

.channel-banner a {
    color: inherit;
    text-decoration: underline;
}

.channel-banner strong {
    font-weight: 600;
}

.channel-banner-beta {
    border-left-color: #4a90d9;
    background: rgba(74, 144, 217, 0.10);
}

.channel-banner-dev {
    border-left-color: #d99e4a;
    background: rgba(217, 158, 74, 0.10);
}

.channel-banner-archive {
    border-left-color: #888;
    background: rgba(128, 128, 128, 0.10);
}