body {
    font-family: 'Arial', sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    background-color: #fff;
    padding: 20px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    margin-top: 20px;
}

header {
    text-align: center;
    margin-bottom: 20px;
}

.restaurant-heading {
    color: #333;
}

.update-message {
    background-color: #4CAF50;
    color: white;
    padding: 10px;
    margin-bottom: 20px;
    text-align: center;
}

form {
    display: grid;
    gap: 15px;
}

label {
    font-weight: bold;
}

input {
    padding: 10px;
    width: 100%;
    box-sizing: border-box;
}

.update-button {
    background-color: #4CAF50;
    color: white;
    padding: 15px;
    border: none;
    cursor: pointer;
}

.update-button:hover {
    background-color: #45a049;
}

.back-button {
    display: block;
    margin-top: 20px;
    color: #333;
    text-decoration: none;
    font-size: 16px;
}