body {
    font-family: Arial, sans-serif;
    margin: 40px;
    line-height: 1.6;
    color: #333;
}
h1 {
    color: #2c3e50;
}
h2 {
    color: #16a085;
}
p {
    max-width: 700px;
}
.button {
    display: inline-block;
    margin-top: 20px;
    padding: 10px 20px;
    background-color: #16a085;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}
.button:hover {
    background-color: #138d75;
}
ul {
    max-width: 700px;
}