body {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
    background: linear-gradient(135deg, #f3f4f6, #d1d5db);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    color: #333;
}
.container {
    text-align: center;
    background: white;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}
h1 {
    font-size: 2rem;
    margin-bottom: 20px;
}
p {
    font-size: 1.2rem;
}