body {
    font-family: Arial, sans-serif;
    background-color: #f9f9f9;
    margin: 0;
    padding: 20px;
}

h1, h2, h3 {
    color: #333;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.button {
    display: inline-block;
    padding: 10px 15px;
    margin: 10px 0;
    background-color: #0073aa;
    color: #fff;
    text-decoration: none;
    border-radius: 5px;
}

.button:hover {
    background-color: #005177;
}

.alert {
    padding: 15px;
    margin: 20px 0;
    border: 1px solid #f39c12;
    background-color: #f9e79f;
    color: #7d6608;
    border-radius: 5px;
}