diff --git a/add_javascript/css/styles.css b/add_javascript/css/styles.css
index 22fcf22..860fa1e 100644
--- a/add_javascript/css/styles.css
+++ b/add_javascript/css/styles.css
@@ -41,12 +41,14 @@
     text-align: center;
     margin: 0 auto;
 }
+
 .parent{
     /*display:table;*/
 }
+
 .child{
-    display:table-cell;*
-vertical-align:middle;
+    display:table-cell;
+    vertical-align:middle;
 }
 
 .content {
diff --git a/add_javascript/index.html b/add_javascript/index.html
index 4427b96..fa278c2 100644
--- a/add_javascript/index.html
+++ b/add_javascript/index.html
@@ -50,8 +50,8 @@
                 /*display:table;*/
             }
             .child{
-                display:table-cell;*
-            vertical-align:middle;
+                display:table-cell;
+                vertical-align:middle;
             }
 
             .content {