Brighter BG, removed the error

src/App.css

@@ -1,8 +1,8 @@
 .App {
   background:
         linear-gradient(
-          rgba(0, 0, 0, 0.6), 
-          rgba(0, 0, 0, 0.6)
+          rgba(0, 0, 0, 0.5), 
+          rgba(0, 0, 0, 0.5)
         ),
         url('background.png');
   position: fixed;

src/App.js

@@ -45,9 +45,6 @@ function App() {
           else if (rootDetail.type === "basic") {
             res = <Button className="roots" variant="primary" href={rootDetail.url}>{rootDetail.text}</Button>
           }
-          else {
-            // throw "One of your roots has an unrecognized type. Check out the documentation for the supported types.";
-          }
           return res;
         })}
       </div>