diff --git a/core/includes/theme.inc b/core/includes/theme.inc
index ba6baf2a656..8a35b6ed8b9 100644
--- a/core/includes/theme.inc
+++ b/core/includes/theme.inc
@@ -2754,6 +2754,7 @@ function template_process_page(&$variables) {
  */
 function template_process_html(&$variables) {
   drupal_add_library('system', 'html5shiv', TRUE);
+  drupal_add_library('system', 'modernizr', TRUE);
   // Render page_top and page_bottom into top level variables.
   $variables['page_top'] = drupal_render($variables['page']['page_top']);
   $variables['page_bottom'] = drupal_render($variables['page']['page_bottom']);
diff --git a/core/misc/modernizr/modernizr.js b/core/misc/modernizr/modernizr.js
new file mode 100644
index 00000000000..d79e3c3e3c7
--- /dev/null
+++ b/core/misc/modernizr/modernizr.js
@@ -0,0 +1,300 @@
+/* Modernizr 2.6.2 (Custom Build) | MIT & BSD
+ * Build: http://modernizr.com/download/#-inputtypes-touch-cssclasses-addtest-teststyles-prefixes-elem_details
+ */
+;
+
+
+
+window.Modernizr = (function( window, document, undefined ) {
+
+    var version = '2.6.2',
+
+    Modernizr = {},
+
+    enableClasses = true,
+
+    docElement = document.documentElement,
+
+    mod = 'modernizr',
+    modElem = document.createElement(mod),
+    mStyle = modElem.style,
+
+    inputElem  = document.createElement('input')  ,
+
+    smile = ':)',
+
+    toString = {}.toString,
+
+    prefixes = ' -webkit- -moz- -o- -ms- '.split(' '),
+
+
+
+    tests = {},
+    inputs = {},
+    attrs = {},
+
+    classes = [],
+
+    slice = classes.slice,
+
+    featureName, 
+
+
+    injectElementWithStyles = function( rule, callback, nodes, testnames ) {
+
+      var style, ret, node, docOverflow,
+          div = document.createElement('div'),
+                body = document.body,
+                fakeBody = body || document.createElement('body');
+
+      if ( parseInt(nodes, 10) ) {
+                      while ( nodes-- ) {
+              node = document.createElement('div');
+              node.id = testnames ? testnames[nodes] : mod + (nodes + 1);
+              div.appendChild(node);
+          }
+      }
+
+                style = ['&#173;','<style id="s', mod, '">', rule, '</style>'].join('');
+      div.id = mod;
+          (body ? div : fakeBody).innerHTML += style;
+      fakeBody.appendChild(div);
+      if ( !body ) {
+                fakeBody.style.background = '';
+                fakeBody.style.overflow = 'hidden';
+          docOverflow = docElement.style.overflow;
+          docElement.style.overflow = 'hidden';
+          docElement.appendChild(fakeBody);
+      }
+
+      ret = callback(div, rule);
+        if ( !body ) {
+          fakeBody.parentNode.removeChild(fakeBody);
+          docElement.style.overflow = docOverflow;
+      } else {
+          div.parentNode.removeChild(div);
+      }
+
+      return !!ret;
+
+    },
+    _hasOwnProperty = ({}).hasOwnProperty, hasOwnProp;
+
+    if ( !is(_hasOwnProperty, 'undefined') && !is(_hasOwnProperty.call, 'undefined') ) {
+      hasOwnProp = function (object, property) {
+        return _hasOwnProperty.call(object, property);
+      };
+    }
+    else {
+      hasOwnProp = function (object, property) { 
+        return ((property in object) && is(object.constructor.prototype[property], 'undefined'));
+      };
+    }
+
+
+    if (!Function.prototype.bind) {
+      Function.prototype.bind = function bind(that) {
+
+        var target = this;
+
+        if (typeof target != "function") {
+            throw new TypeError();
+        }
+
+        var args = slice.call(arguments, 1),
+            bound = function () {
+
+            if (this instanceof bound) {
+
+              var F = function(){};
+              F.prototype = target.prototype;
+              var self = new F();
+
+              var result = target.apply(
+                  self,
+                  args.concat(slice.call(arguments))
+              );
+              if (Object(result) === result) {
+                  return result;
+              }
+              return self;
+
+            } else {
+
+              return target.apply(
+                  that,
+                  args.concat(slice.call(arguments))
+              );
+
+            }
+
+        };
+
+        return bound;
+      };
+    }
+
+    function setCss( str ) {
+        mStyle.cssText = str;
+    }
+
+    function setCssAll( str1, str2 ) {
+        return setCss(prefixes.join(str1 + ';') + ( str2 || '' ));
+    }
+
+    function is( obj, type ) {
+        return typeof obj === type;
+    }
+
+    function contains( str, substr ) {
+        return !!~('' + str).indexOf(substr);
+    }
+
+
+    function testDOMProps( props, obj, elem ) {
+        for ( var i in props ) {
+            var item = obj[props[i]];
+            if ( item !== undefined) {
+
+                            if (elem === false) return props[i];
+
+                            if (is(item, 'function')){
+                                return item.bind(elem || obj);
+                }
+
+                            return item;
+            }
+        }
+        return false;
+    }
+    tests['touch'] = function() {
+        var bool;
+
+        if(('ontouchstart' in window) || window.DocumentTouch && document instanceof DocumentTouch) {
+          bool = true;
+        } else {
+          injectElementWithStyles(['@media (',prefixes.join('touch-enabled),('),mod,')','{#modernizr{top:9px;position:absolute}}'].join(''), function( node ) {
+            bool = node.offsetTop === 9;
+          });
+        }
+
+        return bool;
+    };
+    function webforms() {
+                            Modernizr['inputtypes'] = (function(props) {
+
+            for ( var i = 0, bool, inputElemType, defaultView, len = props.length; i < len; i++ ) {
+
+                inputElem.setAttribute('type', inputElemType = props[i]);
+                bool = inputElem.type !== 'text';
+
+                                                    if ( bool ) {
+
+                    inputElem.value         = smile;
+                    inputElem.style.cssText = 'position:absolute;visibility:hidden;';
+
+                    if ( /^range$/.test(inputElemType) && inputElem.style.WebkitAppearance !== undefined ) {
+
+                      docElement.appendChild(inputElem);
+                      defaultView = document.defaultView;
+
+                                        bool =  defaultView.getComputedStyle &&
+                              defaultView.getComputedStyle(inputElem, null).WebkitAppearance !== 'textfield' &&
+                                                                                  (inputElem.offsetHeight !== 0);
+
+                      docElement.removeChild(inputElem);
+
+                    } else if ( /^(search|tel)$/.test(inputElemType) ){
+                                                                                    } else if ( /^(url|email)$/.test(inputElemType) ) {
+                                        bool = inputElem.checkValidity && inputElem.checkValidity() === false;
+
+                    } else {
+                                        bool = inputElem.value != smile;
+                    }
+                }
+
+                inputs[ props[i] ] = !!bool;
+            }
+            return inputs;
+        })('search tel url email datetime date month week time datetime-local number range color'.split(' '));
+        }
+    for ( var feature in tests ) {
+        if ( hasOwnProp(tests, feature) ) {
+                                    featureName  = feature.toLowerCase();
+            Modernizr[featureName] = tests[feature]();
+
+            classes.push((Modernizr[featureName] ? '' : 'no-') + featureName);
+        }
+    }
+
+    Modernizr.input || webforms();
+
+
+     Modernizr.addTest = function ( feature, test ) {
+       if ( typeof feature == 'object' ) {
+         for ( var key in feature ) {
+           if ( hasOwnProp( feature, key ) ) {
+             Modernizr.addTest( key, feature[ key ] );
+           }
+         }
+       } else {
+
+         feature = feature.toLowerCase();
+
+         if ( Modernizr[feature] !== undefined ) {
+                                              return Modernizr;
+         }
+
+         test = typeof test == 'function' ? test() : test;
+
+         if (typeof enableClasses !== "undefined" && enableClasses) {
+           docElement.className += ' ' + (test ? '' : 'no-') + feature;
+         }
+         Modernizr[feature] = test;
+
+       }
+
+       return Modernizr; 
+     };
+
+
+    setCss('');
+    modElem = inputElem = null;
+
+
+    Modernizr._version      = version;
+
+    Modernizr._prefixes     = prefixes;
+
+    Modernizr.testStyles    = injectElementWithStyles;    docElement.className = docElement.className.replace(/(^|\s)no-js(\s|$)/, '$1$2') +
+
+                                                    (enableClasses ? ' js ' + classes.join(' ') : '');
+
+    return Modernizr;
+
+})(this, this.document);
+// By @mathias, based on http://mths.be/axh
+Modernizr.addTest('details', function() {
+    var doc = document,
+        el = doc.createElement('details'),
+        fake,
+        root,
+        diff;
+    if (!('open' in el)) { // return early if possible; thanks @aFarkas!
+        return false;
+    }
+    root = doc.body || (function() {
+        var de = doc.documentElement;
+        fake = true;
+        return de.insertBefore(doc.createElement('body'), de.firstElementChild || de.firstChild);
+    }());
+    el.innerHTML = '<summary>a</summary>b';
+    el.style.display = 'block';
+    root.appendChild(el);
+    diff = el.offsetHeight;
+    el.open = true;
+    diff = diff != el.offsetHeight;
+    root.removeChild(el);
+    fake && root.parentNode.removeChild(root);
+    return diff;
+});;
diff --git a/core/misc/modernizr/modernizr.min.js b/core/misc/modernizr/modernizr.min.js
new file mode 100644
index 00000000000..61a79c19c86
--- /dev/null
+++ b/core/misc/modernizr/modernizr.min.js
@@ -0,0 +1,4 @@
+/* Modernizr 2.6.2 (Custom Build) | MIT & BSD
+ * Build: http://modernizr.com/download/#-inputtypes-touch-cssclasses-addtest-teststyles-prefixes-elem_details
+ */
+;window.Modernizr=function(a,b,c){function x(a){j.cssText=a}function y(a,b){return x(n.join(a+";")+(b||""))}function z(a,b){return typeof a===b}function A(a,b){return!!~(""+a).indexOf(b)}function B(a,b,d){for(var e in a){var f=b[a[e]];if(f!==c)return d===!1?a[e]:z(f,"function")?f.bind(d||b):f}return!1}function C(){e.inputtypes=function(a){for(var d=0,e,f,h,i=a.length;d<i;d++)k.setAttribute("type",f=a[d]),e=k.type!=="text",e&&(k.value=l,k.style.cssText="position:absolute;visibility:hidden;",/^range$/.test(f)&&k.style.WebkitAppearance!==c?(g.appendChild(k),h=b.defaultView,e=h.getComputedStyle&&h.getComputedStyle(k,null).WebkitAppearance!=="textfield"&&k.offsetHeight!==0,g.removeChild(k)):/^(search|tel)$/.test(f)||(/^(url|email)$/.test(f)?e=k.checkValidity&&k.checkValidity()===!1:e=k.value!=l)),p[a[d]]=!!e;return p}("search tel url email datetime date month week time datetime-local number range color".split(" "))}var d="2.6.2",e={},f=!0,g=b.documentElement,h="modernizr",i=b.createElement(h),j=i.style,k=b.createElement("input"),l=":)",m={}.toString,n=" -webkit- -moz- -o- -ms- ".split(" "),o={},p={},q={},r=[],s=r.slice,t,u=function(a,c,d,e){var f,i,j,k,l=b.createElement("div"),m=b.body,n=m||b.createElement("body");if(parseInt(d,10))while(d--)j=b.createElement("div"),j.id=e?e[d]:h+(d+1),l.appendChild(j);return f=["&#173;",'<style id="s',h,'">',a,"</style>"].join(""),l.id=h,(m?l:n).innerHTML+=f,n.appendChild(l),m||(n.style.background="",n.style.overflow="hidden",k=g.style.overflow,g.style.overflow="hidden",g.appendChild(n)),i=c(l,a),m?l.parentNode.removeChild(l):(n.parentNode.removeChild(n),g.style.overflow=k),!!i},v={}.hasOwnProperty,w;!z(v,"undefined")&&!z(v.call,"undefined")?w=function(a,b){return v.call(a,b)}:w=function(a,b){return b in a&&z(a.constructor.prototype[b],"undefined")},Function.prototype.bind||(Function.prototype.bind=function(b){var c=this;if(typeof c!="function")throw new TypeError;var d=s.call(arguments,1),e=function(){if(this instanceof e){var a=function(){};a.prototype=c.prototype;var f=new a,g=c.apply(f,d.concat(s.call(arguments)));return Object(g)===g?g:f}return c.apply(b,d.concat(s.call(arguments)))};return e}),o.touch=function(){var c;return"ontouchstart"in a||a.DocumentTouch&&b instanceof DocumentTouch?c=!0:u(["@media (",n.join("touch-enabled),("),h,")","{#modernizr{top:9px;position:absolute}}"].join(""),function(a){c=a.offsetTop===9}),c};for(var D in o)w(o,D)&&(t=D.toLowerCase(),e[t]=o[D](),r.push((e[t]?"":"no-")+t));return e.input||C(),e.addTest=function(a,b){if(typeof a=="object")for(var d in a)w(a,d)&&e.addTest(d,a[d]);else{a=a.toLowerCase();if(e[a]!==c)return e;b=typeof b=="function"?b():b,typeof f!="undefined"&&f&&(g.className+=" "+(b?"":"no-")+a),e[a]=b}return e},x(""),i=k=null,e._version=d,e._prefixes=n,e.testStyles=u,g.className=g.className.replace(/(^|\s)no-js(\s|$)/,"$1$2")+(f?" js "+r.join(" "):""),e}(this,this.document),Modernizr.addTest("details",function(){var a=document,b=a.createElement("details"),c,d,e;return"open"in b?(d=a.body||function(){var b=a.documentElement;return c=!0,b.insertBefore(a.createElement("body"),b.firstElementChild||b.firstChild)}(),b.innerHTML="<summary>a</summary>b",b.style.display="block",d.appendChild(b),e=b.offsetHeight,b.open=!0,e=e!=b.offsetHeight,d.removeChild(b),c&&d.parentNode.removeChild(d),e):!1});
diff --git a/core/modules/system/system.module b/core/modules/system/system.module
index e837fe9e13b..ed4f0c2ac15 100644
--- a/core/modules/system/system.module
+++ b/core/modules/system/system.module
@@ -1400,11 +1400,28 @@ function system_library_info() {
     'js' => array(
       'core/misc/html5.js' => array(
         'group' => JS_LIBRARY,
-        'weight' => -21,
+        'weight' => -22,
         'browsers' => array('IE' => 'lte IE 8', '!IE' => FALSE),
       ),
     ),
   );
+
+  // Modernizr.
+  $libraries['modernizr'] = array(
+    'title' => 'Modernizr',
+    'website' => 'http://modernizr.com/',
+    'version' => '2.6.2',
+    'js' => array(
+      'core/misc/modernizr/modernizr.min.js' => array(
+        'every_page' => TRUE,
+        'group' => JS_LIBRARY,
+        'preprocess' => 0,
+        'scope' => 'header',
+        'weight' => -21,
+      ),
+    ),
+  );
+
   // Normalize.
   $libraries['normalize'] = array(
     'title' => 'normalize.css',