diff --git a/.bumpedrc b/.bumpedrc
index 023de648..895c2157 100644
--- a/.bumpedrc
+++ b/.bumpedrc
@@ -3,9 +3,7 @@ files: [
 ]
 
 plugins:
-
   prerelease:
-
     'Linting config files':
       plugin: 'bumped-finepack'
 
@@ -18,7 +16,6 @@ plugins:
       command: 'npm run prepublish'
 
   postrelease:
-
     'Commiting new version':
       plugin: 'bumped-terminal'
       command: 'git add package.json && git commit package.json -m "$newVersion release" && git push origin master'
diff --git a/components/_globals.scss b/components/_globals.scss
index 24d9906b..19188108 100644
--- a/components/_globals.scss
+++ b/components/_globals.scss
@@ -54,30 +54,28 @@ $z-index-normal: 1 !default;
 $z-index-low: -100 !default;
 $z-index-lower: -200 !default;
 
-
 //-- Breakpoints
 // height of app bar
 // https://www.google.com/design/spec/layout/metrics-keylines.html#metrics-keylines-keylines-spacing
-$standard-increment-mobile:                          (5.6 * $unit) !default;
-$standard-increment-desktop:                         (6.4 * $unit) !default;
+$standard-increment-mobile: (5.6 * $unit) !default;
+$standard-increment-desktop: (6.4 * $unit) !default;
 
 // https://www.google.com/design/spec/layout/metrics-keylines.html#metrics-keylines-baseline-grids
-$baseline-grid:                                      (0.8 * $unit) !default;
-$layout-gutter-width-sm:                      ($baseline-grid * 2) !default;
-$layout-gutter-width:                         ($baseline-grid * 3) !default;
-
+$baseline-grid: (0.8 * $unit) !default;
+$layout-gutter-width-sm: ($baseline-grid * 2) !default;
+$layout-gutter-width: ($baseline-grid * 3) !default;
 
 // https://www.google.com/design/spec/layout/responsive-ui.html#responsive-ui-breakpoints
 // 4 columns
-$layout-breakpoint-xxs:                               480px !default;
+$layout-breakpoint-xxs: 480px !default;
 // 8 columns
-$layout-breakpoint-xs:                                600px !default;
+$layout-breakpoint-xs: 600px !default;
 // 12 columns
-$layout-breakpoint-sm-tablet:                         720px !default;
-$layout-breakpoint-sm:                                840px !default;
-$layout-breakpoint-md:                                960px !default;
-$layout-breakpoint-lg-tablet:                        1024px !default;
-$layout-breakpoint-lg:                               1280px !default;
-$layout-breakpoint-xl:                               1440px !default;
-$layout-breakpoint-xxl:                              1600px !default;
-$layout-breakpoint-xxxl:                             1920px !default;
+$layout-breakpoint-sm-tablet: 720px !default;
+$layout-breakpoint-sm: 840px !default;
+$layout-breakpoint-md: 960px !default;
+$layout-breakpoint-lg-tablet: 1024px !default;
+$layout-breakpoint-lg: 1280px !default;
+$layout-breakpoint-xl: 1440px !default;
+$layout-breakpoint-xxl: 1600px !default;
+$layout-breakpoint-xxxl: 1920px !default;
diff --git a/components/app_bar/AppBar.jsx b/components/app_bar/AppBar.js
similarity index 100%
rename from components/app_bar/AppBar.jsx
rename to components/app_bar/AppBar.js
diff --git a/components/app_bar/style.scss b/components/app_bar/style.scss
index 6b17471a..762232af 100644
--- a/components/app_bar/style.scss
+++ b/components/app_bar/style.scss
@@ -19,7 +19,7 @@
     top: 0;
     right: 0;
     left: 0;
-    z-index: $z-index-high;
+    z-index: $z-index-highest;
   }
 
   a {
diff --git a/components/autocomplete/Autocomplete.jsx b/components/autocomplete/Autocomplete.js
similarity index 100%
rename from components/autocomplete/Autocomplete.jsx
rename to components/autocomplete/Autocomplete.js
diff --git a/components/avatar/Avatar.jsx b/components/avatar/Avatar.js
similarity index 100%
rename from components/avatar/Avatar.jsx
rename to components/avatar/Avatar.js
diff --git a/components/button/Button.jsx b/components/button/Button.js
similarity index 100%
rename from components/button/Button.jsx
rename to components/button/Button.js
diff --git a/components/button/IconButton.jsx b/components/button/IconButton.js
similarity index 100%
rename from components/button/IconButton.jsx
rename to components/button/IconButton.js
diff --git a/components/button/__test__/index.spec.jsx b/components/button/__test__/index.spec.js
similarity index 100%
rename from components/button/__test__/index.spec.jsx
rename to components/button/__test__/index.spec.js
diff --git a/components/card/Card.jsx b/components/card/Card.js
similarity index 100%
rename from components/card/Card.jsx
rename to components/card/Card.js
diff --git a/components/card/CardActions.jsx b/components/card/CardActions.js
similarity index 100%
rename from components/card/CardActions.jsx
rename to components/card/CardActions.js
diff --git a/components/card/CardMedia.jsx b/components/card/CardMedia.js
similarity index 100%
rename from components/card/CardMedia.jsx
rename to components/card/CardMedia.js
diff --git a/components/card/CardText.jsx b/components/card/CardText.js
similarity index 100%
rename from components/card/CardText.jsx
rename to components/card/CardText.js
diff --git a/components/card/CardTitle.jsx b/components/card/CardTitle.js
similarity index 100%
rename from components/card/CardTitle.jsx
rename to components/card/CardTitle.js
diff --git a/components/checkbox/Check.jsx b/components/checkbox/Check.js
similarity index 100%
rename from components/checkbox/Check.jsx
rename to components/checkbox/Check.js
diff --git a/components/checkbox/Checkbox.jsx b/components/checkbox/Checkbox.js
similarity index 100%
rename from components/checkbox/Checkbox.jsx
rename to components/checkbox/Checkbox.js
diff --git a/components/chip/Chip.jsx b/components/chip/Chip.js
similarity index 100%
rename from components/chip/Chip.jsx
rename to components/chip/Chip.js
diff --git a/components/date_picker/Calendar.jsx b/components/date_picker/Calendar.js
similarity index 100%
rename from components/date_picker/Calendar.jsx
rename to components/date_picker/Calendar.js
diff --git a/components/date_picker/CalendarDay.jsx b/components/date_picker/CalendarDay.js
similarity index 100%
rename from components/date_picker/CalendarDay.jsx
rename to components/date_picker/CalendarDay.js
diff --git a/components/date_picker/CalendarMonth.jsx b/components/date_picker/CalendarMonth.js
similarity index 100%
rename from components/date_picker/CalendarMonth.jsx
rename to components/date_picker/CalendarMonth.js
diff --git a/components/date_picker/DatePicker.jsx b/components/date_picker/DatePicker.js
similarity index 100%
rename from components/date_picker/DatePicker.jsx
rename to components/date_picker/DatePicker.js
diff --git a/components/date_picker/DatePickerDialog.jsx b/components/date_picker/DatePickerDialog.js
similarity index 100%
rename from components/date_picker/DatePickerDialog.jsx
rename to components/date_picker/DatePickerDialog.js
diff --git a/components/dialog/Dialog.jsx b/components/dialog/Dialog.js
similarity index 100%
rename from components/dialog/Dialog.jsx
rename to components/dialog/Dialog.js
diff --git a/components/drawer/Drawer.jsx b/components/drawer/Drawer.js
similarity index 100%
rename from components/drawer/Drawer.jsx
rename to components/drawer/Drawer.js
diff --git a/components/dropdown/Dropdown.jsx b/components/dropdown/Dropdown.js
similarity index 100%
rename from components/dropdown/Dropdown.jsx
rename to components/dropdown/Dropdown.js
diff --git a/components/font_icon/FontIcon.jsx b/components/font_icon/FontIcon.js
similarity index 100%
rename from components/font_icon/FontIcon.jsx
rename to components/font_icon/FontIcon.js
diff --git a/components/form/Form.jsx b/components/form/Form.js
similarity index 100%
rename from components/form/Form.jsx
rename to components/form/Form.js
diff --git a/components/input/Input.jsx b/components/input/Input.js
similarity index 100%
rename from components/input/Input.jsx
rename to components/input/Input.js
diff --git a/components/layout/Layout.jsx b/components/layout/Layout.js
similarity index 100%
rename from components/layout/Layout.jsx
rename to components/layout/Layout.js
diff --git a/components/layout/NavDrawer.jsx b/components/layout/NavDrawer.js
similarity index 100%
rename from components/layout/NavDrawer.jsx
rename to components/layout/NavDrawer.js
diff --git a/components/layout/Panel.jsx b/components/layout/Panel.js
similarity index 100%
rename from components/layout/Panel.jsx
rename to components/layout/Panel.js
diff --git a/components/layout/Sidebar.jsx b/components/layout/Sidebar.js
similarity index 100%
rename from components/layout/Sidebar.jsx
rename to components/layout/Sidebar.js
diff --git a/components/link/Link.jsx b/components/link/Link.js
similarity index 100%
rename from components/link/Link.jsx
rename to components/link/Link.js
diff --git a/components/list/List.jsx b/components/list/List.js
similarity index 100%
rename from components/list/List.jsx
rename to components/list/List.js
diff --git a/components/list/ListCheckbox.jsx b/components/list/ListCheckbox.js
similarity index 100%
rename from components/list/ListCheckbox.jsx
rename to components/list/ListCheckbox.js
diff --git a/components/list/ListDivider.jsx b/components/list/ListDivider.js
similarity index 100%
rename from components/list/ListDivider.jsx
rename to components/list/ListDivider.js
diff --git a/components/list/ListItem.jsx b/components/list/ListItem.js
similarity index 100%
rename from components/list/ListItem.jsx
rename to components/list/ListItem.js
diff --git a/components/list/ListItemAction.jsx b/components/list/ListItemAction.js
similarity index 100%
rename from components/list/ListItemAction.jsx
rename to components/list/ListItemAction.js
diff --git a/components/list/ListItemActions.jsx b/components/list/ListItemActions.js
similarity index 100%
rename from components/list/ListItemActions.jsx
rename to components/list/ListItemActions.js
diff --git a/components/list/ListItemContent.jsx b/components/list/ListItemContent.js
similarity index 100%
rename from components/list/ListItemContent.jsx
rename to components/list/ListItemContent.js
diff --git a/components/list/ListItemLayout.jsx b/components/list/ListItemLayout.js
similarity index 100%
rename from components/list/ListItemLayout.jsx
rename to components/list/ListItemLayout.js
diff --git a/components/list/ListItemText.jsx b/components/list/ListItemText.js
similarity index 100%
rename from components/list/ListItemText.jsx
rename to components/list/ListItemText.js
diff --git a/components/list/ListSubHeader.jsx b/components/list/ListSubHeader.js
similarity index 100%
rename from components/list/ListSubHeader.jsx
rename to components/list/ListSubHeader.js
diff --git a/components/menu/IconMenu.jsx b/components/menu/IconMenu.js
similarity index 100%
rename from components/menu/IconMenu.jsx
rename to components/menu/IconMenu.js
diff --git a/components/menu/Menu.jsx b/components/menu/Menu.js
similarity index 100%
rename from components/menu/Menu.jsx
rename to components/menu/Menu.js
diff --git a/components/menu/MenuDivider.jsx b/components/menu/MenuDivider.js
similarity index 100%
rename from components/menu/MenuDivider.jsx
rename to components/menu/MenuDivider.js
diff --git a/components/menu/MenuItem.jsx b/components/menu/MenuItem.js
similarity index 100%
rename from components/menu/MenuItem.jsx
rename to components/menu/MenuItem.js
diff --git a/components/navigation/Navigation.jsx b/components/navigation/Navigation.js
similarity index 100%
rename from components/navigation/Navigation.jsx
rename to components/navigation/Navigation.js
diff --git a/components/overlay/Overlay.jsx b/components/overlay/Overlay.js
similarity index 100%
rename from components/overlay/Overlay.jsx
rename to components/overlay/Overlay.js
diff --git a/components/progress_bar/ProgressBar.jsx b/components/progress_bar/ProgressBar.js
similarity index 100%
rename from components/progress_bar/ProgressBar.jsx
rename to components/progress_bar/ProgressBar.js
diff --git a/components/progress_bar/__test__/index.spec.jsx b/components/progress_bar/__test__/index.spec.js
similarity index 100%
rename from components/progress_bar/__test__/index.spec.jsx
rename to components/progress_bar/__test__/index.spec.js
diff --git a/components/radio/Radio.jsx b/components/radio/Radio.js
similarity index 100%
rename from components/radio/Radio.jsx
rename to components/radio/Radio.js
diff --git a/components/radio/RadioButton.jsx b/components/radio/RadioButton.js
similarity index 100%
rename from components/radio/RadioButton.jsx
rename to components/radio/RadioButton.js
diff --git a/components/radio/RadioGroup.jsx b/components/radio/RadioGroup.js
similarity index 100%
rename from components/radio/RadioGroup.jsx
rename to components/radio/RadioGroup.js
diff --git a/components/ripple/Ripple.jsx b/components/ripple/Ripple.js
similarity index 100%
rename from components/ripple/Ripple.jsx
rename to components/ripple/Ripple.js
diff --git a/components/slider/Slider.jsx b/components/slider/Slider.js
similarity index 100%
rename from components/slider/Slider.jsx
rename to components/slider/Slider.js
diff --git a/components/slider/__tests__/index.spec.jsx b/components/slider/__tests__/index.spec.js
similarity index 100%
rename from components/slider/__tests__/index.spec.jsx
rename to components/slider/__tests__/index.spec.js
diff --git a/components/snackbar/Snackbar.jsx b/components/snackbar/Snackbar.js
similarity index 100%
rename from components/snackbar/Snackbar.jsx
rename to components/snackbar/Snackbar.js
diff --git a/components/switch/Switch.jsx b/components/switch/Switch.js
similarity index 100%
rename from components/switch/Switch.jsx
rename to components/switch/Switch.js
diff --git a/components/switch/Thumb.jsx b/components/switch/Thumb.js
similarity index 100%
rename from components/switch/Thumb.jsx
rename to components/switch/Thumb.js
diff --git a/components/table/Table.jsx b/components/table/Table.js
similarity index 100%
rename from components/table/Table.jsx
rename to components/table/Table.js
diff --git a/components/table/TableHead.jsx b/components/table/TableHead.js
similarity index 100%
rename from components/table/TableHead.jsx
rename to components/table/TableHead.js
diff --git a/components/table/TableRow.jsx b/components/table/TableRow.js
similarity index 100%
rename from components/table/TableRow.jsx
rename to components/table/TableRow.js
diff --git a/components/tabs/Tab.jsx b/components/tabs/Tab.js
similarity index 100%
rename from components/tabs/Tab.jsx
rename to components/tabs/Tab.js
diff --git a/components/tabs/TabContent.jsx b/components/tabs/TabContent.js
similarity index 100%
rename from components/tabs/TabContent.jsx
rename to components/tabs/TabContent.js
diff --git a/components/tabs/Tabs.jsx b/components/tabs/Tabs.js
similarity index 100%
rename from components/tabs/Tabs.jsx
rename to components/tabs/Tabs.js
diff --git a/components/tabs/__tests__/index.spec.jsx b/components/tabs/__tests__/index.spec.js
similarity index 100%
rename from components/tabs/__tests__/index.spec.jsx
rename to components/tabs/__tests__/index.spec.js
diff --git a/components/time_picker/Clock.jsx b/components/time_picker/Clock.js
similarity index 100%
rename from components/time_picker/Clock.jsx
rename to components/time_picker/Clock.js
diff --git a/components/time_picker/ClockFace.jsx b/components/time_picker/ClockFace.js
similarity index 100%
rename from components/time_picker/ClockFace.jsx
rename to components/time_picker/ClockFace.js
diff --git a/components/time_picker/ClockHand.jsx b/components/time_picker/ClockHand.js
similarity index 100%
rename from components/time_picker/ClockHand.jsx
rename to components/time_picker/ClockHand.js
diff --git a/components/time_picker/ClockHours.jsx b/components/time_picker/ClockHours.js
similarity index 100%
rename from components/time_picker/ClockHours.jsx
rename to components/time_picker/ClockHours.js
diff --git a/components/time_picker/ClockMinutes.jsx b/components/time_picker/ClockMinutes.js
similarity index 100%
rename from components/time_picker/ClockMinutes.jsx
rename to components/time_picker/ClockMinutes.js
diff --git a/components/time_picker/TimePicker.jsx b/components/time_picker/TimePicker.js
similarity index 100%
rename from components/time_picker/TimePicker.jsx
rename to components/time_picker/TimePicker.js
diff --git a/components/time_picker/TimePickerDialog.jsx b/components/time_picker/TimePickerDialog.js
similarity index 100%
rename from components/time_picker/TimePickerDialog.jsx
rename to components/time_picker/TimePickerDialog.js
diff --git a/components/tooltip/Tooltip.jsx b/components/tooltip/Tooltip.js
similarity index 100%
rename from components/tooltip/Tooltip.jsx
rename to components/tooltip/Tooltip.js
diff --git a/docs/app/components/appbar/index.jsx b/docs/app/components/appbar/index.js
similarity index 100%
rename from docs/app/components/appbar/index.jsx
rename to docs/app/components/appbar/index.js
diff --git a/docs/app/components/editor/index.jsx b/docs/app/components/editor/index.js
similarity index 100%
rename from docs/app/components/editor/index.jsx
rename to docs/app/components/editor/index.js
diff --git a/docs/app/components/layout/home/index.jsx b/docs/app/components/layout/home/index.js
similarity index 100%
rename from docs/app/components/layout/home/index.jsx
rename to docs/app/components/layout/home/index.js
diff --git a/docs/app/components/layout/install/index.jsx b/docs/app/components/layout/install/index.js
similarity index 100%
rename from docs/app/components/layout/install/index.jsx
rename to docs/app/components/layout/install/index.js
diff --git a/docs/app/components/layout/main/components/navigation.jsx b/docs/app/components/layout/main/components/navigation.js
similarity index 100%
rename from docs/app/components/layout/main/components/navigation.jsx
rename to docs/app/components/layout/main/components/navigation.js
diff --git a/docs/app/components/layout/main/components/playground.jsx b/docs/app/components/layout/main/components/playground.js
similarity index 100%
rename from docs/app/components/layout/main/components/playground.jsx
rename to docs/app/components/layout/main/components/playground.js
diff --git a/docs/app/components/layout/main/index.jsx b/docs/app/components/layout/main/index.js
similarity index 95%
rename from docs/app/components/layout/main/index.jsx
rename to docs/app/components/layout/main/index.js
index 66d9b2fb..7f81cdf1 100644
--- a/docs/app/components/layout/main/index.jsx
+++ b/docs/app/components/layout/main/index.js
@@ -3,8 +3,8 @@ import ReactDOM from 'react-dom';
 import { Button } from 'react-toolbox';
 import Appbar from '../../../components/appbar';
 import Markdown from '../../../components/markdown';
-import Playground from './components/playground';
-import MainNavigation from './components/navigation';
+import Playground from './components/playground.js';
+import MainNavigation from './components/navigation.js';
 import BaseDocs from './modules/components.md';
 import components from './modules/components.js';
 import style from './style';
diff --git a/docs/app/components/layout/main/style.scss b/docs/app/components/layout/main/style.scss
index c8506d43..764d0e50 100644
--- a/docs/app/components/layout/main/style.scss
+++ b/docs/app/components/layout/main/style.scss
@@ -15,7 +15,7 @@ hr {
   position: fixed;
   top: $appbar-height - ($button-floating-height / 2);
   right: $button-floating-height / 2;
-  z-index: $z-index-higher;
+  z-index: $z-index-highest;
 }
 
 .documentation {
diff --git a/docs/app/components/logo/index.jsx b/docs/app/components/logo/index.js
similarity index 100%
rename from docs/app/components/logo/index.jsx
rename to docs/app/components/logo/index.js
diff --git a/docs/app/components/markdown/index.jsx b/docs/app/components/markdown/index.js
similarity index 100%
rename from docs/app/components/markdown/index.jsx
rename to docs/app/components/markdown/index.js
diff --git a/docs/app/components/navigation/index.jsx b/docs/app/components/navigation/index.js
similarity index 100%
rename from docs/app/components/navigation/index.jsx
rename to docs/app/components/navigation/index.js
diff --git a/docs/app/components/preview/index.jsx b/docs/app/components/preview/index.js
similarity index 100%
rename from docs/app/components/preview/index.jsx
rename to docs/app/components/preview/index.js
diff --git a/docs/app/index.jsx b/docs/app/index.js
similarity index 100%
rename from docs/app/index.jsx
rename to docs/app/index.js
diff --git a/docs/webpack.config.development.js b/docs/webpack.config.development.js
index b9d72831..906bf0bc 100644
--- a/docs/webpack.config.development.js
+++ b/docs/webpack.config.development.js
@@ -9,7 +9,7 @@ module.exports = {
 	devtool: 'inline-source-map',
   entry: [
     'webpack-hot-middleware/client',
-    './app/index.jsx'
+    './app/index.js'
   ],
   output: {
     path: path.join(__dirname, 'build'),
@@ -17,7 +17,7 @@ module.exports = {
     publicPath: '/'
   },
   resolve: {
-    extensions: ['', '.jsx', '.scss', '.js', '.json', '.md'],
+    extensions: ['', '.scss', '.js', '.json', '.md'],
     packageMains: ['browser', 'web', 'browserify', 'main', 'style'],
     alias: {
       'react-toolbox': path.resolve(__dirname + './../components')
@@ -32,7 +32,7 @@ module.exports = {
   module: {
     loaders: [
       {
-        test: /\.(js|jsx)$/,
+        test: /\.js$/,
         exclude: /(node_modules)/,
         loader: 'babel'
       }, {
diff --git a/docs/webpack.config.production.js b/docs/webpack.config.production.js
index 0253d450..5f0442c3 100644
--- a/docs/webpack.config.production.js
+++ b/docs/webpack.config.production.js
@@ -7,13 +7,13 @@ const TransferWebpackPlugin = require('transfer-webpack-plugin');
 
 module.exports = {
   context: __dirname,
-  entry: ['./app/index.jsx'],
+  entry: ['./app/index.js'],
   output: {
     path: path.join(__dirname, 'build'),
     filename: 'docs.js'
   },
   resolve: {
-    extensions: ['', '.jsx', '.scss', '.js', '.json', '.md'],
+    extensions: ['', '.scss', '.js', '.json', '.md'],
     packageMains: ['browser', 'web', 'browserify', 'main', 'style'],
     alias: {
       'react-toolbox': path.resolve(__dirname + './../components')
@@ -28,7 +28,7 @@ module.exports = {
   module: {
     loaders: [
       {
-        test: /\.(js|jsx)$/,
+        test: /\.js$/,
         exclude: /(node_modules)/,
         loader: 'babel'
       }, {
diff --git a/package.json b/package.json
index c1040738..d5327912 100644
--- a/package.json
+++ b/package.json
@@ -96,7 +96,7 @@
     "build": "cross-env NODE_ENV=production npm run babel && npm run sass",
     "clean": "rimraf ./lib",
     "lint": "npm run lint:js && npm run lint:scss",
-    "lint:js": "eslint ./ --ext .js,.jsx",
+    "lint:js": "eslint ./ --ext .js",
     "lint:scss": "sass-lint ./components/**/*.scss -v -i ./components/slider/style.scss",
     "patch": "bumped release patch",
     "prebuild": "npm run clean",
diff --git a/spec/components/autocomplete.jsx b/spec/components/autocomplete.js
similarity index 100%
rename from spec/components/autocomplete.jsx
rename to spec/components/autocomplete.js
diff --git a/spec/components/avatar.jsx b/spec/components/avatar.js
similarity index 100%
rename from spec/components/avatar.jsx
rename to spec/components/avatar.js
diff --git a/spec/components/button.jsx b/spec/components/button.js
similarity index 100%
rename from spec/components/button.jsx
rename to spec/components/button.js
diff --git a/spec/components/card.jsx b/spec/components/card.js
similarity index 100%
rename from spec/components/card.jsx
rename to spec/components/card.js
diff --git a/spec/components/checkbox.jsx b/spec/components/checkbox.js
similarity index 100%
rename from spec/components/checkbox.jsx
rename to spec/components/checkbox.js
diff --git a/spec/components/chip.jsx b/spec/components/chip.js
similarity index 100%
rename from spec/components/chip.jsx
rename to spec/components/chip.js
diff --git a/spec/components/dialog.jsx b/spec/components/dialog.js
similarity index 100%
rename from spec/components/dialog.jsx
rename to spec/components/dialog.js
diff --git a/spec/components/drawer.jsx b/spec/components/drawer.js
similarity index 100%
rename from spec/components/drawer.jsx
rename to spec/components/drawer.js
diff --git a/spec/components/dropdown.jsx b/spec/components/dropdown.js
similarity index 100%
rename from spec/components/dropdown.jsx
rename to spec/components/dropdown.js
diff --git a/spec/components/font_icon.jsx b/spec/components/font_icon.js
similarity index 100%
rename from spec/components/font_icon.jsx
rename to spec/components/font_icon.js
diff --git a/spec/components/form.jsx b/spec/components/form.js
similarity index 100%
rename from spec/components/form.jsx
rename to spec/components/form.js
diff --git a/spec/components/github_icon.jsx b/spec/components/github_icon.js
similarity index 100%
rename from spec/components/github_icon.jsx
rename to spec/components/github_icon.js
diff --git a/spec/components/icon_menu.jsx b/spec/components/icon_menu.js
similarity index 100%
rename from spec/components/icon_menu.jsx
rename to spec/components/icon_menu.js
diff --git a/spec/components/input.jsx b/spec/components/input.js
similarity index 100%
rename from spec/components/input.jsx
rename to spec/components/input.js
diff --git a/spec/components/layout.jsx b/spec/components/layout.js
similarity index 100%
rename from spec/components/layout.jsx
rename to spec/components/layout.js
diff --git a/spec/components/link.jsx b/spec/components/link.js
similarity index 100%
rename from spec/components/link.jsx
rename to spec/components/link.js
diff --git a/spec/components/list.jsx b/spec/components/list.js
similarity index 100%
rename from spec/components/list.jsx
rename to spec/components/list.js
diff --git a/spec/components/menu.jsx b/spec/components/menu.js
similarity index 100%
rename from spec/components/menu.jsx
rename to spec/components/menu.js
diff --git a/spec/components/navigation.jsx b/spec/components/navigation.js
similarity index 100%
rename from spec/components/navigation.jsx
rename to spec/components/navigation.js
diff --git a/spec/components/pickers.jsx b/spec/components/pickers.js
similarity index 100%
rename from spec/components/pickers.jsx
rename to spec/components/pickers.js
diff --git a/spec/components/progress.jsx b/spec/components/progress.js
similarity index 100%
rename from spec/components/progress.jsx
rename to spec/components/progress.js
diff --git a/spec/components/radio.jsx b/spec/components/radio.js
similarity index 100%
rename from spec/components/radio.jsx
rename to spec/components/radio.js
diff --git a/spec/components/slider.jsx b/spec/components/slider.js
similarity index 100%
rename from spec/components/slider.jsx
rename to spec/components/slider.js
diff --git a/spec/components/snackbar.jsx b/spec/components/snackbar.js
similarity index 100%
rename from spec/components/snackbar.jsx
rename to spec/components/snackbar.js
diff --git a/spec/components/switch.jsx b/spec/components/switch.js
similarity index 100%
rename from spec/components/switch.jsx
rename to spec/components/switch.js
diff --git a/spec/components/table.jsx b/spec/components/table.js
similarity index 100%
rename from spec/components/table.jsx
rename to spec/components/table.js
diff --git a/spec/components/tabs.jsx b/spec/components/tabs.js
similarity index 100%
rename from spec/components/tabs.jsx
rename to spec/components/tabs.js
diff --git a/spec/components/tooltip.jsx b/spec/components/tooltip.js
similarity index 100%
rename from spec/components/tooltip.jsx
rename to spec/components/tooltip.js
diff --git a/spec/index.jsx b/spec/index.js
similarity index 100%
rename from spec/index.jsx
rename to spec/index.js
diff --git a/spec/root.jsx b/spec/root.js
similarity index 100%
rename from spec/root.jsx
rename to spec/root.js
diff --git a/spec/style.scss b/spec/style.scss
index 558ee650..6f77fc9f 100644
--- a/spec/style.scss
+++ b/spec/style.scss
@@ -23,7 +23,7 @@ $offset: 1.8 * $unit;
       margin: ($offset / 4) 0;
       opacity: .6;
     }
-    [data-react-toolbox='card'] {
+    [data-react-toolbox="card"] {
       display: inline-block;
       margin: $offset $offset 0 0;
     }
@@ -38,6 +38,7 @@ $offset: 1.8 * $unit;
 }
 
 .appbar {
+  z-index: 999999 !important;
   display: flex;
   > h1 {
     flex-grow: 1;
diff --git a/tests.webpack.js b/tests.webpack.js
index b1e86b88..f837e2e0 100644
--- a/tests.webpack.js
+++ b/tests.webpack.js
@@ -1,2 +1,2 @@
-const context = require.context('./components', true, /(.spec\.cjsx?|.spec\.jsx?)$/);
+const context = require.context('./components', true, /.spec\.js$/);
 context.keys().forEach(context);
diff --git a/tools/buildReadme.js b/tools/buildReadme.js
index 72afeb14..61934a20 100755
--- a/tools/buildReadme.js
+++ b/tools/buildReadme.js
@@ -14,7 +14,7 @@ const getComponentName = (filepath) => {
   return name;
 };
 
-const componentGlob = Path.join(process.argv[2], '/*.jsx');
+const componentGlob = Path.join(process.argv[2], '/*.js');
 
 new Promise((resolve, reject) => {
   Glob(componentGlob, (err, files) => {
diff --git a/webpack.config.development.js b/webpack.config.development.js
index ed1a5ef1..90127281 100644
--- a/webpack.config.development.js
+++ b/webpack.config.development.js
@@ -9,7 +9,7 @@ module.exports = {
 	devtool: 'inline-source-map',
   entry: [
     'webpack-hot-middleware/client',
-    './spec/index.jsx'
+    './spec/index.js'
   ],
   output: {
     path: path.join(__dirname, 'build'),
@@ -17,13 +17,13 @@ module.exports = {
     publicPath: '/build/'
   },
   resolve: {
-    extensions: ['', '.jsx', '.scss', '.js', '.json'],
+    extensions: ['', '.scss', '.js', '.json'],
     packageMains: ['browser', 'web', 'browserify', 'main', 'style']
   },
   module: {
     loaders: [
       {
-        test: /\.(js|jsx)$/,
+        test: /\.js$/,
         loader: 'babel',
         exclude: /(node_modules)/
       }, {
diff --git a/webpack.config.test.js b/webpack.config.test.js
index 957e3448..50c47363 100644
--- a/webpack.config.test.js
+++ b/webpack.config.test.js
@@ -5,7 +5,7 @@ module.exports = {
   module: {
     loaders: [
       {
-        test: /\.(js|jsx)$/,
+        test: /\.js$/,
         exclude: /(node_modules)/,
         loader: 'babel'
       }, {
@@ -15,7 +15,7 @@ module.exports = {
     ]
   },
   resolve: {
-    extensions: ['', '.jsx', '.scss', '.js', '.json'],
+    extensions: ['', '.scss', '.js', '.json'],
     packageMains: ['browser', 'web', 'browserify', 'main', 'style']
   },
   watch: true,