body {
    font-family: Arial, sans-serif;
    max-width: 700px;
    margin: 40px auto;
    padding: 0 20px;
    text-align: center;
    background-color: #f4f4f4;
    color: #333;
}
h1 { color: #2c7be5; }
img { max-width: 100%; border-radius: 8px; margin-top: 20px; }