Merge pull request #4380 from paulkaplan/fix-backpack-squishes

Fix backpack squishing

src/components/backpack/backpack.css

@@ -72,6 +72,7 @@
     width: 4rem;
     height: 4.5rem;
     margin: 0 0.25rem;
+    flex-shrink: 0;
 
     /* Need to hide overflow because of background setting below */
     overflow: hidden;