diff --git a/Gruntfile.js b/Gruntfile.js
index 0a4a3fcb0..7673ebb9f 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -104,6 +104,25 @@ grunt.initConfig({
         }
     },
 
+    // -- Autoprefixer Config --------------------------------------------------------
+
+    autoprefixer: {
+        options: {
+            browsers: ['last 2 versions', 'ie >= 8', 'iOS >= 6', 'Android >= 4']
+        },
+      
+        dist: {
+            files: {
+                'src/base/css/*.css': '*.css',
+                'src/buttons/css/*.css': '*.css',
+                'src/forms/css/*.css': '*.css',
+                'src/grids/css/*.css': '*.css',
+                'src/menus/css/*.css': '*.css',
+                'src/tables/css/*.css': '*.css'
+            }
+        },
+    },
+  
     // -- CSSLint Config -------------------------------------------------------
 
     csslint: {
@@ -250,6 +269,7 @@ grunt.initConfig({
 // -- Main Tasks ---------------------------------------------------------------
 
 // npm tasks.
+grunt.loadNpmTasks('grunt-autoprefixer');
 grunt.loadNpmTasks('grunt-contrib-clean');
 grunt.loadNpmTasks('grunt-contrib-copy');
 grunt.loadNpmTasks('grunt-contrib-concat');
@@ -264,7 +284,7 @@ grunt.loadNpmTasks('grunt-stripmq');
 // Local tasks.
 grunt.loadTasks('tasks/');
 
-grunt.registerTask('default', ['import', 'test', 'build']);
+grunt.registerTask('default', ['autoprefixer', 'import', 'test', 'build']);
 grunt.registerTask('import', ['bower_install']);
 grunt.registerTask('test', ['csslint']);
 grunt.registerTask('build', [
diff --git a/package.json b/package.json
index 29e9549ae..894325a59 100644
--- a/package.json
+++ b/package.json
@@ -13,16 +13,17 @@
   "devDependencies": {
     "bower": "^1.3.7",
     "grunt": "^0.4.5",
+    "grunt-autoprefixer": "^3.0.3",
     "grunt-cli": "^0.1.13",
-    "grunt-contrib-clean": "^0.5.0",
+    "grunt-contrib-clean": "^0.6.0",
     "grunt-contrib-compress": "^0.13.0",
-    "grunt-contrib-concat": "^0.4.0",
-    "grunt-contrib-copy": "^0.5.0",
-    "grunt-contrib-csslint": "^0.2.0",
-    "grunt-contrib-cssmin": "^0.6.2",
+    "grunt-contrib-concat": "^0.5.1",
+    "grunt-contrib-copy": "^0.8.0",
+    "grunt-contrib-csslint": "^0.4.0",
+    "grunt-contrib-cssmin": "^0.12.3",
     "grunt-contrib-watch": "^0.6.1",
-    "grunt-css-selectors": "^1.1.0",
-    "grunt-pure-grids": "^1.0.0",
+    "grunt-css-selectors": "^1.2.0",
+    "grunt-pure-grids": "^1.0.2",
     "grunt-stripmq": "0.0.6"
   },
   "description": "Pure is a ridiculously tiny CSS library you can use to start any web project.",
diff --git a/src/buttons/css/buttons-core.css b/src/buttons/css/buttons-core.css
index f007c91b5..3b81183e2 100644
--- a/src/buttons/css/buttons-core.css
+++ b/src/buttons/css/buttons-core.css
@@ -8,12 +8,7 @@
     text-align: center;
     cursor: pointer;
     -webkit-user-drag: none;
-    -webkit-user-select: none;
-    -moz-user-select: none;
-    -ms-user-select: none;
     user-select: none;
-    -webkit-box-sizing: border-box;
-    -moz-box-sizing: border-box;
     box-sizing: border-box;
 }
 
diff --git a/src/buttons/css/buttons.css b/src/buttons/css/buttons.css
index 92ed95238..fc50a601e 100644
--- a/src/buttons/css/buttons.css
+++ b/src/buttons/css/buttons.css
@@ -17,10 +17,6 @@
 .pure-button:hover,
 .pure-button:focus {
     filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#00000000', endColorstr='#1a000000',GradientType=0);
-    background-image: -webkit-gradient(linear, 0 0, 0 100%, from(transparent), color-stop(40%, rgba(0,0,0, 0.05)), to(rgba(0,0,0, 0.10)));
-    background-image: -webkit-linear-gradient(transparent, rgba(0,0,0, 0.05) 40%, rgba(0,0,0, 0.10));
-    background-image: -moz-linear-gradient(top, rgba(0,0,0, 0.05) 0%, rgba(0,0,0, 0.10));
-    background-image: -o-linear-gradient(transparent, rgba(0,0,0, 0.05) 40%, rgba(0,0,0, 0.10));
     background-image: linear-gradient(transparent, rgba(0,0,0, 0.05) 40%, rgba(0,0,0, 0.10));
 }
 .pure-button:focus {
diff --git a/src/forms/css/forms.css b/src/forms/css/forms.css
index c65bd30e9..496226026 100644
--- a/src/forms/css/forms.css
+++ b/src/forms/css/forms.css
@@ -28,8 +28,6 @@ so we can ignore the csslint warning.
     box-shadow: inset 0 1px 3px #ddd;
     border-radius: 4px;
     vertical-align: middle;
-    -webkit-box-sizing: border-box;
-    -moz-box-sizing: border-box;
     box-sizing: border-box;
 }
 
@@ -43,8 +41,6 @@ since IE8 won't execute CSS that contains a CSS3 selector.
     border: 1px solid #ccc;
     box-shadow: inset 0 1px 3px #ddd;
     border-radius: 4px;
-    -webkit-box-sizing: border-box;
-    -moz-box-sizing: border-box;
     box-sizing: border-box;
 }
 
diff --git a/src/grids/css/grids-core.css b/src/grids/css/grids-core.css
index 10294237e..7f028c4b2 100644
--- a/src/grids/css/grids-core.css
+++ b/src/grids/css/grids-core.css
@@ -40,7 +40,6 @@
     
     /* Prevents distributing space between rows */
     -ms-align-content: flex-start;
-	-webkit-align-content: flex-start;
 	align-content: flex-start;
 }
 
diff --git a/src/menus/css/menus-core.css b/src/menus/css/menus-core.css
index bfdc418c5..0ba775495 100644
--- a/src/menus/css/menus-core.css
+++ b/src/menus/css/menus-core.css
@@ -1,7 +1,5 @@
 /*csslint adjoining-classes: false, box-model:false*/
 .pure-menu {
-    -webkit-box-sizing: border-box;
-    -moz-box-sizing: border-box;
     box-sizing: border-box;
 }