fix(button): fix button overflow causing whole screen to overflow left/right

Closes #1780

Author: rotorgames

Diff for: scss/_button.scss

@@ -33,9 +33,9 @@
     // used to create a larger button "hit" area
     position: absolute;
     top: -6px;
-    right: -8px;
+    right: -6px;
     bottom: -6px;
-    left: -8px;
+    left: -6px;
     content: ' ';
   }