diff --git a/scss/_list-group.scss b/scss/_list-group.scss
index d857bf8fd..3f20758da 100644
--- a/scss/_list-group.scss
+++ b/scss/_list-group.scss
@@ -97,12 +97,12 @@
 
       .list-group-item {
         &:first-child {
-          @include border-left-radius($list-group-border-radius);
+          @include border-bottom-left-radius($list-group-border-radius);
           @include border-top-right-radius(0);
         }
 
         &:last-child {
-          @include border-right-radius($list-group-border-radius);
+          @include border-top-right-radius($list-group-border-radius);
           @include border-bottom-left-radius(0);
         }
 
diff --git a/scss/_pagination.scss b/scss/_pagination.scss
index 953a35a7f..27e7bb805 100644
--- a/scss/_pagination.scss
+++ b/scss/_pagination.scss
@@ -1,7 +1,6 @@
 .pagination {
   display: flex;
   @include list-unstyled();
-  @include border-radius();
 }
 
 .page-link {
diff --git a/scss/_variables.scss b/scss/_variables.scss
index 9eea07d39..7b28d94dd 100644
--- a/scss/_variables.scss
+++ b/scss/_variables.scss
@@ -161,6 +161,9 @@ $link-hover-decoration:                   underline !default;
 // Darken percentage for links with `.text-*` class (e.g. `.text-success`)
 $emphasized-link-hover-darken-percentage: 15% !default;
 
+$stretched-link-pseudo-element:           after !default;
+$stretched-link-z-index:                  1 !default;
+
 // Paragraphs
 //
 // Style p element.
@@ -1097,5 +1100,5 @@ $kbd-font-size:                     $code-font-size !default;
 $kbd-color:                         $white !default;
 $kbd-bg:                            $gray-900 !default;
 
-$pre-color:                         $gray-900 !default;
+$pre-color:                         null !default;
 $pre-scrollable-max-height:         340px !default;
diff --git a/scss/helpers/_stretched-link.scss b/scss/helpers/_stretched-link.scss
index fb5066bf5..71a1c755a 100644
--- a/scss/helpers/_stretched-link.scss
+++ b/scss/helpers/_stretched-link.scss
@@ -3,17 +3,13 @@
 //
 
 .stretched-link {
-  &::after {
+  &::#{$stretched-link-pseudo-element} {
     position: absolute;
     top: 0;
     right: 0;
     bottom: 0;
     left: 0;
-    z-index: 1;
-    // Just in case `pointer-events: none` is set on a parent
-    pointer-events: auto;
+    z-index: $stretched-link-z-index;
     content: "";
-    // IE10 bugfix, see https://stackoverflow.com/questions/16947967/ie10-hover-pseudo-class-doesnt-work-without-background-color
-    background-color: rgba(0, 0, 0, 0);
   }
 }
diff --git a/site/layouts/partials/docs-sidebar.html b/site/layouts/partials/docs-sidebar.html
index b87dcde84..3f6ec67e7 100644
--- a/site/layouts/partials/docs-sidebar.html
+++ b/site/layouts/partials/docs-sidebar.html
@@ -1,4 +1,4 @@
-<form class="bd-search d-flex align-items-center">
+<form role="search" class="bd-search d-flex align-items-center">
   <input type="search" class="form-control" id="search-input" placeholder="Search..." aria-label="Search for..." autocomplete="off" data-docs-version="{{ .Site.Params.docs_version }}">
   <button class="btn btn-link bd-search-docs-toggle d-md-none p-0 ml-3" type="button" data-toggle="collapse" data-target="#bd-docs-nav" aria-controls="bd-docs-nav" aria-expanded="false" aria-label="Toggle docs navigation">
     {{ partial "icons/menu.svg" (dict "width" "30" "height" "30") }}