Update file layout.html

wiki/layout.html

@@ -61,10 +61,18 @@
         border-radius: 50px;
         pointer-events: none;
       }
+      h2 {
+        font-weight: 900;
+      }
       h3 {
-        font-weight: bold;
+        font-weight: 900;
+      }
+      h4 {
+        font-weight: 900;
+      }
+      h4 {
+        font-weight: 900;
       }
-
       .sidebar {
         position: fixed;
         left: 5px;