theme: app icon helper tweaks

Shell cannot composite multiple shadows, simplify to only use one.

https://gitlab.gnome.org/GNOME/gnome-shell-extensions/issues/168

diff --git a/data/theme/gnome-shell-sass/_common.scss b/data/theme/gnome-shell-sass/_common.scss
index fb66437a7fa16b56e6f23d4869deda26b8299e84..dd716004b4061029b8ca3b4be2b8fbb23d72da0b 100644 (file)
--- a/data/theme/gnome-shell-sass/_common.scss
+++ b/data/theme/gnome-shell-sass/_common.scss
@@ -624,16 +624,12 @@ StScrollBar {
  *************/
 /* Outline for low res icons */
 .lowres-icon {
-    icon-shadow: 0 -1px rgba(0,0,0,0.05),
-      1px 0 rgba(0,0,0,0.1),
-      0 1px rgba(0,0,0,0.3),
-      -1px 0 rgba(0,0,0,0.1);
+    icon-shadow: 0 1px 2px rgba(0,0,0,0.3);
 }
 
 /* Drapshadow for large icons */
 .icon-dropshadow {
-  icon-shadow: 0 2px 12px rgba(0,0,0,0.1),
-               0 1px 2px rgba(0,0,0,0.5);
+  icon-shadow: 0 1px 2px rgba(0,0,0,0.4);
 }
 
 /* OSD */