body {
    font-family: sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    color: #333;
}

header {
    background-color: #2c3e50;
    color: #ecf0f1;
    padding: 1rem 0;
    text-align: center;
}

header h1 {
    margin: 0;
    font-size: 2.5rem;
}

main {
    padding: 20px;
    max-width: 800px;
    margin: 20px auto;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

section {
    margin-bottom: 20px;
}

h2 {
    color: #2c3e50;
    border-bottom: 2px solid #3498db;
    padding-bottom: 10px;
}

footer {
    text-align: center;
    padding: 10px 0;
    background-color: #2c3e50;
    color: #ecf0f1;
    position: fixed;
    bottom: 0;
    width: 100%;
}