Removed inconsistent touch highlights on mobile (#6)

* feat(PWA): Configured PWA and added service workers

* feat(PWA): Configured PWA and added service workers

* fix: Removed test files

* fix: removed inconsistent touch highlights on mobile

Author: boidushya

src/index.css

@@ -7,6 +7,21 @@ body {
   -moz-osx-font-smoothing: grayscale;
 }
 
+button,
+textarea,
+input,
+select,
+a {
+	-webkit-tap-highlight-color: rgba(0, 0, 0, 0);
+	-webkit-tap-highlight-color: transparent;
+	-webkit-user-select: none;
+	-khtml-user-select: none;
+	-moz-user-select: none;
+	-ms-user-select: none;
+	user-select: none;
+
+}
+
 code {
   font-family: source-code-pro, Menlo, Monaco, Consolas, 'Courier New',
     monospace;