how the heck did they get a tab in there?

src/scss/core.scss

@@ -37,7 +37,7 @@
   border: 0 !important;
   clip: rect(0 0 0 0) !important;
   -webkit-clip-path: inset(50%) !important;
-	clip-path: inset(50%) !important;
+  clip-path: inset(50%) !important;
   height: 1px !important;
   overflow: hidden !important;
   padding: 0 !important;