body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    color: #333;
}

header {
    background-color: #007BFF;
    color: white;
    padding: 20px;
    text-align: center;
}

section {
    padding: 20px;
    margin: 10px;
    background-color: white;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

h1, h2 {
    color: #007BFF;
}

ul {
    list-style-type: square;
    padding-left: 20px;
}