body {
    margin: 0;
    padding: 0;
    font-family: 'Arial', sans-serif;
    background: linear-gradient(135deg, #71b7e6, #9b59b6);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.container {
    text-align: center;
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.error-box {
    max-width: 600px;
    margin: auto;
}

h1 {
    color: #333;
    font-size: 2.5em;
    margin-bottom: 20px;
}

p {
    color: #555;
    font-size: 1.2em;
    line-height: 1.5;
}

a {
    color: #3498db;
    text-decoration: none;
    font-weight: bold;
}

a:hover {
    text-decoration: underline;
}