body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background: #f5f5f5;
}

header {
    text-align: center;
    background: #333;
    color: #fff;
    padding: 1rem;
}

section {
    background: #fff;
    margin: 1rem auto;
    padding: 1rem;
    border-radius: 8px;
    max-width: 800px;
}

h2 {
    border-bottom: 2px solid #333;
    padding-bottom: 0.5rem;
    margin-bottom: 1rem;
}

button {
    background: #333;
    color: #fff;
    padding: 0.5rem 1rem;
    border: none;
    cursor: pointer;
    margin-top: 1rem;
}

button:hover {
    background: #555;
}

input, select {
    width: 100%;
    max-width: 300px;
    padding: 0.5rem;
    margin: 0.5rem 0;
}