[gnome-shell-sass] theme: Add back run-dialog styling

[Florian Müllner <fmuellner src gnome org>]

commit 3580ded294eeeb10313a40925ce76ae83a679eea
Author: Florian Müllner <fmuellner gnome org>
Date:   Mon Jan 20 17:45:01 2020 +0100

    theme: Add back run-dialog styling
    
    It was dropped accidentally in commit 02e885b3.

 widgets/_dialogs.scss | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
---
diff --git a/widgets/_dialogs.scss b/widgets/_dialogs.scss
index b0a964d..67bbfc2 100644
--- a/widgets/_dialogs.scss
+++ b/widgets/_dialogs.scss
@@ -56,6 +56,22 @@
   }
 }
 
+/* Run Dialog */
+.run-dialog {
+  .run-dialog-entry { width: 20em; margin-bottom: 6px; }
+  .run-dialog-error-box {
+    padding-top: 16px;
+    spacing: 6px;
+  }
+
+  .run-dialog-label {
+    @include fontsize($base_font_size + 1.1);
+    font-weight: normal;
+    color: $fg_color;
+    padding-bottom: .4em;
+  }
+}
+
 /* ShellMountOperation Dialogs */
 .shell-mount-operation-icon {
   icon-size: $base_icon_size * 3;