body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    padding: 20px;
    margin: 0;
}

.container {
    width: 90%;
    max-width: 900px;
    min-width: 800px;
    margin: 0 auto;
}

h1 {
    text-align: center;
    color: #333;
}

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

a {
    color: #007bff;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

section {
    background-color: #fff;
    padding: 15px;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
}