minor style changes and fix 4

static/demos/light-dark-demo-4/index.html

@@ -36,13 +36,16 @@
             }
         }
 
-        button {
+        input {
             transition-duration: 0.05s;
             transition-property: outline;
             transition-delay: 0s;
+
+            margin: 10px;
+            width: revert;
         }
 
-        button:active {
+        input:active {
             outline: turquoise 5px solid;
         }
     </style>

static/demos/light-dark-demo-4/sw.js

@@ -49,6 +49,7 @@ function IDB_cond_create(db, objectStoreName, opts={}){
     return new Promise((res)=>{
         if(!db.objectStoreNames.contains(objectStoreName)){
             db.createObjectStore(objectStoreName, opts);
+        }
         res();
     });
 }