[gimp-web/testing] Added styling for twitter embeds

[Pat David <patdavid src gnome org>]

commit 6f47c049fc5b66243022bdd5931fdab969f7bd97
Author: Pat David <patdavid gmail com>
Date:   Wed Nov 7 17:14:59 2018 -0600

    Added styling for twitter embeds

 themes/newgimp/static/css/article.css | 4 ++++
 1 file changed, 4 insertions(+)
---
diff --git a/themes/newgimp/static/css/article.css b/themes/newgimp/static/css/article.css
index 0519dc2b..c3ad4e49 100644
--- a/themes/newgimp/static/css/article.css
+++ b/themes/newgimp/static/css/article.css
@@ -109,3 +109,7 @@ figure figcaption {
     background-color: #2c3e50;
     border-radius: 3px;
 }
+
+twitter-widget {
+    margin: 0 auto;
+}