body {
    font-family: Arial;
    background: #f4f6f9;
}

.container {
    width: 60%;
    margin: auto;
    background: white;
    padding: 20px;
    margin-top: 40px;
    border-radius: 10px;
}

h1 {
    color: #2c3e50;
}

h2 {
    color: #34495e;
}

.btn {
    padding: 10px;
    background: blue;
    color: white;
    text-decoration: none;
}