diff -u b/core/themes/seven/css/components/pager.css b/core/themes/seven/css/components/pager.css
--- b/core/themes/seven/css/components/pager.css
+++ b/core/themes/seven/css/components/pager.css
@@ -19,9 +19,6 @@
   padding: 0 5px 2px;
   font-weight: 600;
   text-decoration: none;
-  -webkit-transition: border-bottom-color 0.2s;
-  -moz-transition: border-bottom-color 0.2s;
-  -o-transition: border-bottom-color 0.2s;
   transition: border-bottom-color 0.2s;
 }
 .pager__item.is-active a {
only in patch2:
unchanged:
--- a/core/modules/system/css/system.theme.css
+++ b/core/modules/system/css/system.theme.css
@@ -169,9 +169,7 @@ abbr.ajax-changed {
   text-align: center;
 }
 .pager__item {
-  background-image: none;
   display: inline;
-  list-style-type: none;
   padding: 0.5em;
 }
 .pager__item.is-active {
only in patch2:
unchanged:
--- a/core/themes/bartik/css/components/pager.css
+++ b/core/themes/bartik/css/components/pager.css
@@ -1,4 +1,7 @@
-/* --------------- Pager ------------ */
+/**
+ * @file
+ * Visual styles for Bartiks pager.
+ */
 
 .pager .pager__items {
   padding: 0;
@@ -11,7 +14,7 @@
   display: inline-block;
 }
 .pager__item.is-active a {
-  color: #3B3B3B;
+  color: #3b3b3b;
   border-bottom: 0;
 }
 .pager__item--first,