Index: wp-content/themes/twentysixteen/css/editor-style.css
===================================================================
--- wp-content/themes/twentysixteen/css/editor-style.css	(revision 54300)
+++ wp-content/themes/twentysixteen/css/editor-style.css	(working copy)
@@ -539,3 +539,6 @@
 .rtl table caption {
 	text-align: right;
 }
+ol.has-background, ul.has-background {
+    padding: 1.25em 2.375em!important;
+}
\ No newline at end of file