body {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
    background: #f5f7fa;
    color: #222;
}

.container {
    max-width: 700px;
    margin: 80px auto;
    padding: 30px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
}

h1 {
    margin-top: 0;
}