body {
    background-color: #e0e0e0;
}

#container {
    max-width: 800px;
    padding: 20px;
    background-color: #f9f9f9;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: absolute;
    left: 50%;
    top: 50%;
    -webkit-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
}

h1,
p {
    font-family: system-ui, "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

h1 {
    text-align: center;
    color: #333;
    font-size: 2.5em;
    font-weight: bold;
}

p {
    text-align: center;
    color: #666;
    font-size: 1.2em;
    margin-top: 10px;
}