* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    background-color: #f4f4f4;
    color: #333;
    padding: 20px;
}

header {
    background-color: #1d3557;
    color: white;
    padding: 20px 0;
    text-align: center;
}

section {
    margin: 20px auto;
    padding: 20px;
    background: white;
    border-radius: 5px;
    max-width: 800px;
}

h1, h2 {
    margin-bottom: 10px;
}

footer {
    text-align: center;
    margin-top: 40px;
    color: #555;
}