diff --git a/html5/index.html b/html5/index.html
index 61b5c53..6742dc4 100644
--- a/html5/index.html
+++ b/html5/index.html
@@ -57,6 +57,24 @@
         font-size-adjust: inherit;
       }
 
+      body {
+        background-color: #ededed;
+      }
+
+      .modal-content {
+        background-color: #ededed;
+
+      }
+
+      .modal-content {
+        background-color: #ededed;
+
+      }
+      
+      .modal-dialog {
+        background-color: #ededed;
+      }
+
       div {
         font-family: pixel;
       }