body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #f6f8fb;
    color: #1f2937;
}

h1, h2, h3 {
    margin-top: 0;
}

a {
    color: #0f4c81;
    text-decoration: none;
}

button {
    background: #0f4c81;
    color: #fff;
    border: 0;
    padding: 10px 16px;
    border-radius: 6px;
    cursor: pointer;
}