diff --git a/index.html b/index.html
index e2f3afd..889d6f6 100644
--- a/index.html
+++ b/index.html
@@ -71,8 +71,8 @@
             width: 0;
         }
         /* Ensure there's not twice the padding when side-by-side. */
-        .#leftTile { margin-right: 1em; }
-        .#rightTile { margin-left: 1em; }
+        #leftTile { margin-right: 1em; }
+        #rightTile { margin-left: 1em; }
         .type {
             border-bottom: 1px solid #dbdbdb;
             color: rgba(0,0,0,0.87);