Update gap.html

Author: rachelandrew

grid/subgrid/gap.html

@@ -47,6 +47,12 @@
         grid-column: 3 / 6;
         grid-row: 1 / 3;
       }
+
+      .subitem2 {
+        background-color: rgba(0,0,0,.5);
+        grid-column: 2;
+        grid-row: 1;
+      }
     </style>
   </head>
 
@@ -55,6 +61,7 @@
       <div class="grid">
         <div class="item">
           <div class="subitem"></div>
+          <div class="subitem2"></div>
         </div>
       </div>
     </section>
@@ -80,12 +87,19 @@
   grid-column: 3 / 6;
   grid-row: 1 / 3;
 }
+
+.subitem2 {
+  background-color: rgba(0,0,0,.5);
+  grid-column: 2;
+  grid-row: 1;
+}
     </textarea>
 
     <textarea class="playable playable-html" style="height: 200px;">
 <div class="grid">
   <div class="item">
     <div class="subitem"></div>
+    <div class="subitem2"></div>
   </div>
 </div>
     </textarea>