menu.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>My Menu Website</title>
    <link rel="stylesheet" href="styles.css">
</head>
<body>
    <h1>My Menu</h1>
    <nav>
        <ul>
            <li><a href="#" onclick="showSection('carbs')">Carbs</a></li>
            <li><a href="#" onclick="showSection('protein')">Protein</a></li>
            <li><a href="#" onclick="showSection('vegetables')">Vegetables</a></li>
        </ul>
    </nav>
    <div id="content">
        <div id="carbs" class="section">
            <h2>Carbs</h2>
            <ul id="carbs-list"></ul>
            <input type="text" id="new-carb" placeholder="Add new carb food">
            <button onclick="addFood('carbs')">Add</button>
        </div>
        <div id="protein" class="section">
            <h2>Protein</h2>
            <ul id="protein-list"></ul>
            <input type="text" id="new-protein" placeholder="Add new protein food">
            <button onclick="addFood('protein')">Add</button>
        </div>
        <div id="vegetables" class="section">
            <h2>Vegetables</h2>
            <ul id="vegetables-list"></ul>
            <input type="text" id="new-vegetable" placeholder="Add new vegetable food">
            <button onclick="addFood('vegetables')">Add</button>
        </div>
    </div>
    <script src="script.js"></script>
</body>
</html>