body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background: #f0f2f5;
    color: #333;
}

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

main {
    padding: 20px;
}

section {
    margin-bottom: 20px;
    padding: 20px;
    background-color: #ffffff;
    border-radius: 5px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

h1 {
    color: #ffffff;
}

h2 {
    color: #007bff;
}

a {
    color: #007bff;
}

footer {
    text-align: center;
    padding: 10px;
    background-color: #f1f1f1;
}