diff --git a/cmsc388a/projects/project1/main.html b/cmsc388a/projects/project1/main.html
index 6c4b150629832daa0b46014d315f20b8da1ea5af..da172240cc47181b5926ccef353a4523a0c51e6a 100644
--- a/cmsc388a/projects/project1/main.html
+++ b/cmsc388a/projects/project1/main.html
@@ -12,9 +12,10 @@
</head>
<body>
- <div id="h1-container"></div>
- <div id="h2-container"></div>
- <div id="h3-container"></div>
+
+ <div id="h1-container" class="container"></div>
+ <div id="h2-container" class="container"></div>
+ <div id="h3-container" class="container"></div>
<script type="text/babel">