body {
    font-family: Arial, sans-serif;
    max-width: 800px;
    margin: 40px auto;
    background: #f9f9f9;
    padding: 20px;
    color: #333;
}
h1 {
    color: #2c3e50;
    border-bottom: 2px solid #ccc;
    padding-bottom: 10px;
}
a {
    color: #3498db;
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
}
ul {
    list-style-type: none;
    padding: 0;
}
li {
    margin: 10px 0;
}
form {
    margin-top: 20px;
}
input[type="text"], textarea {
    width: 100%;
    padding: 10px;
    margin: 10px 0;
    border: 1px solid #ccc;
    border-radius: 4px;
}
button {
    background: #2ecc71;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}
button:hover {
    background: #27ae60;
}