body {
    font-family: Arial, sans-serif;
    margin: 20px;
    background: #f4f4f9;
    color: #333;
}

h1 {
    text-align: center;
    color: #2c3e50;
}

section {
    background: #fff;
    padding: 15px;
    margin: 15px 0;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

input, select, button {
    margin: 5px;
    padding: 10px;
    font-size: 16px;
}

button {
    background: #3498db;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

button:hover {
    background: #2980b9;
}

ul {
    list-style: none;
    padding: 0;
}