diff --git a/core/misc/offset/fragment.js b/core/misc/offset/fragment.js
new file mode 100644
index 0000000..efcd8a3
--- /dev/null
+++ b/core/misc/offset/fragment.js
@@ -0,0 +1,28 @@
+/**
+ * @file
+ * Offsets the window to allow fragments navigation with fixed positioning elements.
+ */
+(function ($, displace) {
+
+  "use strict";
+
+  function adjustOffset() {
+    var hash = window.location.hash;
+    if (hash) {
+      var element = document.getElementById(hash.replace('#', ''));
+      if (element) {
+        // Display the element in the viewport.
+        //element.scrollIntoView();
+        var elementOffset = $(element).offset();
+        setTimeout(function () {
+          window.scrollTo(0, elementOffset.top - displace.calculateOffset('top'));
+        }, 5);
+      }
+    }
+  }
+
+  // Checks for a fragment on page load, outside Drupal behaviors.
+  Drupal.behaviors.adjustOffset = { attach: adjustOffset };
+  $(window).on('hashchange', adjustOffset);
+
+})(jQuery, Drupal.displace);
diff --git a/core/misc/offset/html5forms.js b/core/misc/offset/html5forms.js
new file mode 100644
index 0000000..32e0d33
--- /dev/null
+++ b/core/misc/offset/html5forms.js
@@ -0,0 +1,13 @@
+/**
+ * @file
+ * Focus the HTML5 validation error in view.
+ */
+(function (displace) {
+
+  "use strict";
+
+  document.addEventListener('invalid', function (event) {
+    setTimeout(function () { window.scrollBy(0, -displace.offsets.top); }, 5);
+  }, true);
+
+})(Drupal.displace);
diff --git a/core/modules/system/system.module b/core/modules/system/system.module
index 925709c..95ec1d3 100644
--- a/core/modules/system/system.module
+++ b/core/modules/system/system.module
@@ -1220,6 +1220,10 @@ function system_library_info() {
     'version' => VERSION,
     'js' => array(
       'core/misc/drupal.js' => array('group' => JS_LIBRARY, 'weight' => -18),
+      'core/misc/debounce.js' => array('group' => JS_LIBRARY),
+      'core/misc/displace.js' => array('group' => JS_LIBRARY),
+      'core/misc/offset/fragment.js' => array('group' => JS_LIBRARY),
+      'core/misc/offset/html5forms.js' => array('group' => JS_LIBRARY),
     ),
     'dependencies' => array(
       array('system', 'jquery'),
@@ -1424,7 +1428,7 @@ function system_library_info() {
     'title' => 'Drupal displace',
     'version' => VERSION,
     'js' => array(
-      'core/misc/displace.js' => array('group' => JS_LIBRARY),
+      //'core/misc/displace.js' => array('group' => JS_LIBRARY),
     ),
     'dependencies' => array(
       array('system', 'jquery'),
@@ -1453,7 +1457,7 @@ function system_library_info() {
     'title' => 'Drupal debounce',
     'version' => VERSION,
     'js' => array(
-      'core/misc/debounce.js' => array('group' => JS_LIBRARY),
+      //'core/misc/debounce.js' => array('group' => JS_LIBRARY),
     ),
     'dependencies' => array(
       // @todo remove drupal dependency.