[libadwaita/wip/exalm/borderless: 12/15] stylesheet: Add separator.spacer

[Alexander Mikhaylenko <alexm src gnome org>]

commit 635876be91fbe9c5cae10b6405503f265b966e89
Author: Alexander Mikhaylenko <alexm gnome org>
Date:   Sun Sep 5 23:49:59 2021 +0500

    stylesheet: Add separator.spacer
    
    We will recommend it to separate groups that were linked previously.

 src/stylesheet/widgets/_misc.scss | 7 +++++++
 1 file changed, 7 insertions(+)
---
diff --git a/src/stylesheet/widgets/_misc.scss b/src/stylesheet/widgets/_misc.scss
index 9d925a0e..10bc73a7 100644
--- a/src/stylesheet/widgets/_misc.scss
+++ b/src/stylesheet/widgets/_misc.scss
@@ -22,6 +22,13 @@ separator {
   background: $borders_color;
   min-width: 1px;
   min-height: 1px;
+
+  &.spacer {
+    background: none;
+
+    &.horizontal { min-width: 12px; }
+    &.vertical { min-height: 12px; }
+  }
 }
 
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