<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>Vue.js Toidicode.com</title>
border-bottom: 1px solid orange;
<body style="text-align: center;">
<h1 v-bind:class="[{'border-bottom' : border}, textRed]">Chào mừng bạn đến với website toidicode.com</h1>
<script src="https://unpkg.com/vue@2.4.2" type="text/javascript"></script>
<script type="text/javascript">