diff --git a/light/gtk-3.0/_common.scss b/light/gtk-3.0/_common.scss
index f756dfc2..91ccab74 100644
--- a/light/gtk-3.0/_common.scss
+++ b/light/gtk-3.0/_common.scss
@@ -2587,6 +2587,8 @@ switch {
     @include button(normal-alt, $edge: $shadow_color);
   }
 
+  image { color: transparent; } /* only show i / o for the accessible theme */
+
   &:hover slider { @include button(hover-alt, $edge: $shadow_color); }
 
   &:checked slider { border: 1px solid gtkalpha($selected_borders_color, 0.8); }