gtk3: Hide maximized SSD border box-shadow

Fixes direct scanout on mutter, and border showing on adjacent monitors, based on upstream commit: https://gitlab.gnome.org/GNOME/gtk/-/commit/4873f63c07e62bd727746aa2d52cf1c13af6c9fd
jnsh · Sep 2, 2022 · 5abd2b8 · 5abd2b8
1 parent f160217
commit 5abd2b8
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/common/gtk-3.0/sass/_common.scss b/common/gtk-3.0/sass/_common.scss
@@ -3307,7 +3307,10 @@ decoration {
  border-radius: if($variant=='light' or $variant=='lighter', 4px 4px 0 0, 3px 3px 0 0);
  box-shadow: 0 0 0 1px if($variant == 'dark' or $variant == 'darker', transparentize(black, 0.35), $_wm_border);
 
- &.maximized { border-radius: 0; }
+ &.maximized {
+ border-radius: 0;
+ box-shadow: none;
+ }
  }
  .csd.popup & {
  border-radius: 2px;