It's been a while, try this out

src/components/shortcuts.css

@@ -78,6 +78,7 @@
   justify-content: center;
 }
 #shortcuts .tab-bar li a {
+  -webkit-tap-highlight-color: transparent;
   display: block;
   color: var(--text-insignificant-color);
   font-size: 10px;