diff --git a/3-terrarium/2-intro-to-css/index.html b/3-terrarium/2-intro-to-css/index.html
index 0e3698a1..e66ce229 100644
--- a/3-terrarium/2-intro-to-css/index.html
+++ b/3-terrarium/2-intro-to-css/index.html
@@ -8,6 +8,12 @@
     <link rel="stylesheet" href="style.css">
 </head>
 <body>
-    <h1>Hello World</h1>
+    
+    <div id="left-container" class="container">
+        <h1>Hello World</h1>
+    </div>
+    <div id="right-container" class="container">
+        <h1>Hello World</h1>
+    </div>
 </body>
 </html>
\ No newline at end of file
diff --git a/3-terrarium/2-intro-to-css/style.css b/3-terrarium/2-intro-to-css/style.css
index b5d1ed6d..f5ab6a0c 100644
--- a/3-terrarium/2-intro-to-css/style.css
+++ b/3-terrarium/2-intro-to-css/style.css
@@ -3,7 +3,24 @@ body {
     font-family: helvetica, arial, sans-serif;
 }
 
-
+#left-container {
+    background-color: #eee;
+    width: 15%;
+    left: 0px;
+    top: 0px;
+    position: absolute;
+    height: 100%;
+    padding: 10px;
+}
+#right-container {
+    background-color: #eee;
+    width: 15%;
+    right: 0px;
+    top: 0px;
+    position: absolute;
+    height: 100%;
+    padding: 10px;
+}
 h1{
     color: red;
     font-size: 50px;
