commit b22d9f7cd6becaf7e925cb334e7cbc24ad8c13b4
Author: HOG <hogseruj1@gmail.com>
Date:   Thu Nov 2 18:32:01 2017 +0200

    #2920546-2 Added table-fixed styles for better displaying on tablet/mobile resolution.

diff --git a/core/themes/seven/css/components/tables.css b/core/themes/seven/css/components/tables.css
index 5464456..15d967c 100644
--- a/core/themes/seven/css/components/tables.css
+++ b/core/themes/seven/css/components/tables.css
@@ -4,8 +4,9 @@
  */
 
 table {
-  width: 100%;
   margin: 0 0 10px;
+  table-layout: fixed;
+  width: 100%;
 }
 caption {
   text-align: left; /* LTR */