Vue js Dynamic class Binding

<html>
<head>
    <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
</head>
<body>
    <div id="app">
        <h3>Vue Js Dyanamic Class Binding</h3>
        <div :class="{ 'class-name': condition }">This text will be red if the condition is true.</div>
        <button @click="condition = !condition">toggle condition</button>
    </div>
    <script type="module">
        const app = new Vue({
            el: "#app",
            data() {
                return {
                    condition: false
                }
            },

});
    </script>
    <style>
        .class-name {
            color: red;
            font-weight: bold;
            background-color: yellow;
            padding: 10px;
            border: 2px solid black;
        }
       /* Styles for the container div */
        #app {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;

background-color: #f7f7f7;
            font-family: Arial, sans-serif;
        }

/* Styles for the heading */
        h3 {
            margin-bottom: 20px;
            font-size: 24px;
            font-weight: bold;
            text-align: center;
        }

button {
            margin: 10px;
            padding: 10px 20px;
            border: none;
            background-color: #333;
            color: #fff;
            font-size: 16px;
            cursor: pointer;
            transition: background-color 0.3s ease-in-out, box-shadow 0.3s ease-in-out;
            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
        }

button:hover {
            background-color: #66bb6a;
        }
    </style>

</body>

</html>