Add a padding for small device screen width

Author: g3force

src/App.vue

@@ -153,4 +153,11 @@ import StatusBar from './components/StatusBar.vue';
   color: #93D5FF;
 }
 
+/* Chromium has a minimum width of 500px, but the Pi display is only 480px, so we need to add a padding here */
+@media (max-width: 500px) {
+  #app {
+    padding-right: 20px;
+  }
+}
+
 </style>