diff --git a/django/contrib/admin/static/admin/css/forms.css b/django/contrib/admin/static/admin/css/forms.css
index 302d515751..ae697cf58d 100644
--- a/django/contrib/admin/static/admin/css/forms.css
+++ b/django/contrib/admin/static/admin/css/forms.css
@@ -460,8 +460,6 @@ body.popup .submit-row {
 
 .inline-group div.add-row a,
 .inline-group .tabular tr.add-row td a {
-    background: url(../img/icon-addlink.svg) 0 1px no-repeat;
-    padding-left: 16px;
     font-size: 0.75rem;
 }
 
diff --git a/django/contrib/admin/static/admin/js/inlines.js b/django/contrib/admin/static/admin/js/inlines.js
index e9a1dfe122..a4246d6e12 100644
--- a/django/contrib/admin/static/admin/js/inlines.js
+++ b/django/contrib/admin/static/admin/js/inlines.js
@@ -50,11 +50,11 @@
                     // If forms are laid out as table rows, insert the
                     // "add" button in a new table row:
                     const numCols = $this.eq(-1).children().length;
-                    $parent.append('<tr class="' + options.addCssClass + '"><td colspan="' + numCols + '"><a href="#">' + options.addText + "</a></tr>");
+                    $parent.append('<tr class="' + options.addCssClass + '"><td colspan="' + numCols + '"><a class="addlink" href="#">' + options.addText + "</a></tr>");
                     addButton = $parent.find("tr:last a");
                 } else {
                     // Otherwise, insert it immediately after the last form:
-                    $this.filter(":last").after('<div class="' + options.addCssClass + '"><a href="#">' + options.addText + "</a></div>");
+                    $this.filter(":last").after('<div class="' + options.addCssClass + '"><a class="addlink" href="#">' + options.addText + "</a></div>");
                     addButton = $this.filter(":last").next().find("a");
                 }
             }