Index: src/wp-content/themes/twentysixteen/css/editor-blocks.css
===================================================================
--- src/wp-content/themes/twentysixteen/css/editor-blocks.css	(revision 55859)
+++ src/wp-content/themes/twentysixteen/css/editor-blocks.css	(working copy)
@@ -248,6 +248,11 @@
 	padding: 0;
 }
 
+.editor-styles-wrapper ol.has-background,
+.editor-styles-wrapper ul.has-background {
+	padding: 1.25em 2.375em;
+}
+
 /* Quotes */
 
 .rtl .editor-block-list__block blockquote {