body {
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f8f9fa;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    text-align: center;
}

.error-container {
    max-width: 500px;
    padding: 40px;
    background-color: #ffffff;
    border-radius: 12px;
    box-shadow: 0 8px 16px rgba(0,0,0,0.1);
}

.error-image {
    width: 100px;
    margin-bottom: 20px;
}

h1 {
    font-size: 3em;
    color: #dc3545;
    margin-bottom: 10px;
}

.message {
    font-size: 1.2em;
    color: #555;
    margin-bottom: 30px;
}

.back-button {
    display: inline-block;
    padding: 10px 20px;
    background-color: #007bff;
    color: #fff;
    text-decoration: none;
    border-radius: 6px;
    transition: background-color 0.3s ease;
}

.back-button:hover {
    background-color: #0056b3;
}