librex-extra/static/css/github_night.css

:root {
    --main-bg: #0d1117;
    --main-fg: #f0f6fc;

    --result-link-fg: #58a6ff;
    --result-fg: #8b949e;

    --button-bg: #1f242b;

    --special-result-border: opacity 0;
    --special-text-background: #161b22;
    --special-text-color: #f0f6fc;

    --search-container-text-color: #f0f6fc;
    --search-container-background-color: #1f242b;
    --search-container-background-border: #303842;

    --search-form-background-color: #161b22;
    
    --border: #303842;

    --footer-fg: #8b949e;
    --footer-bg: #161b22;

    color-scheme: dark;
}