#chord-generator-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 20px;
    text-align: center;
}

.chord-generator-header h1 {
    font-size: 28px;
    margin-bottom: 8px;
}

.chord-generator-header p {
    font-size: 14px;
    color: #666;
    margin-bottom: 20px;
}

#chord-generator-plot svg {
    background: #fafafa;
    border: 1px solid #e0e0e0;
    border-radius: 4px;
}