:root {
    --sidebar-width: 280px;
}

.chapter li a {
    font-size: 0.95em;
}

blockquote {
    border-left: 4px solid #4a9eff;
    background: #f0f7ff;
    padding: 0.5em 1em;
    margin: 1em 0;
    border-radius: 0 4px 4px 0;
}

.warning {
    border-left: 4px solid #f5a623;
    background: #fff8f0;
    padding: 0.5em 1em;
    margin: 1em 0;
    border-radius: 0 4px 4px 0;
}

code {
    font-size: 0.9em;
}

pre code {
    font-size: 0.85em;
}

h1, h2, h3 {
    font-weight: 600;
}

.chapter-number {
    color: #888;
}