[polari/gnome-3-36] urlPreview: Move margin into CSS

[Florian Müllner <fmuellner src gnome org>]

commit 979a5128e83e5c5d768e611d9fd1e72779b143d3
Author: Florian Müllner <fmuellner gnome org>
Date:   Sat Jul 18 14:12:25 2020 +0000

    urlPreview: Move margin into CSS
    
    Setting it in code for some reason confuses size negotiations, resulting
    in warnings about negative size requests. It looks like CSS margins
    don't suffer from the same problem, so just use those instead.
    
    https://gitlab.gnome.org/GNOME/polari/-/issues/142
    
    
    (cherry picked from commit 020d7fd423ef0616c603069a3e29160beb59cbd2)

 data/resources/application.css | 3 +++
 src/urlPreview.js              | 2 --
 2 files changed, 3 insertions(+), 2 deletions(-)
---
diff --git a/data/resources/application.css b/data/resources/application.css
index a0a57a76..e455304f 100644
--- a/data/resources/application.css
+++ b/data/resources/application.css
@@ -118,6 +118,9 @@ treeview.polari-server-room-list {
 }
 
 .url-preview { padding: 8px; }
+.url-preview { margin: 12px; }
+.url-preview:dir(ltr) { margin-left: 0; }
+.url-preview:dir(rtl) { margin-right: 0; }
 .url-preview image { min-width: 120px; min-height: 90px; }
 .url-preview label { font-size: small; }
 
diff --git a/src/urlPreview.js b/src/urlPreview.js
index e388b78b..b818c812 100644
--- a/src/urlPreview.js
+++ b/src/urlPreview.js
@@ -78,8 +78,6 @@ var URLPreview = GObject.registerClass({
 
         this.set({
             orientation: Gtk.Orientation.VERTICAL,
-            margin: 12,
-            margin_start: 0,
             spacing: 6,
         });