body {
    background-color: #121212; 
    color: #e0e0e0;            
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    padding: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

h1 {
    color: #3b82f6; 
    border-bottom: 2px solid #2d3748;
    padding-bottom: 0.5rem;
}