body {
    font-family: Arial, sans-serif;
    background: #f4f6f8;
    text-align: center;
    margin: 0;
    padding: 0;
}

.container {
    margin-top: 100px;
}

h1 {
    color: #333;
}

.btn-group {
    margin-top: 30px;
}

button {
    padding: 12px 20px;
    margin: 10px;
    font-size: 16px;
    border: none;
    border-radius: 8px;
    background-color: #007bff;
    color: white;
    cursor: pointer;
    transition: 0.3s;
}

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

.back-btn {
    background-color: #28a745;
}

.back-btn:hover {
    background-color: #1e7e34;
}