diff --git a/.gitignore b/.gitignore
index 41358cc..14b4743 100644
--- a/.gitignore
+++ b/.gitignore
@@ -19,3 +19,5 @@ npm-debug.log*
 yarn-debug.log*
 yarn-error.log*
 
+# Ignore .css files
+/src/**/*.css
diff --git a/package.json b/package.json
index b664a8a..0441391 100644
--- a/package.json
+++ b/package.json
@@ -6,10 +6,13 @@
     "colorable": "^1.0.5",
     "mobx": "^3.1.11",
     "mobx-react": "^4.2.1",
+    "node-sass-chokidar": "^0.0.3",
+    "npm-run-all": "^4.0.2",
     "prop-types": "^15.5.10",
     "rc-tooltip": "^3.4.7",
     "react": "^15.5.4",
     "react-clipboard.js": "^1.1.2",
+    "react-css-collapse": "^3.0.2",
     "react-dom": "^15.5.4",
     "react-markdown": "^2.5.0",
     "react-router-dom": "^4.1.1",
@@ -21,8 +24,11 @@
     "react-scripts": "^1.0.7"
   },
   "scripts": {
-    "start": "react-scripts start",
-    "build": "react-scripts build",
+    "build-css": "node-sass-chokidar src/ -o src/",
+    "watch-css": "npm run build-css && node-sass-chokidar src/ -o src/ --watch --recursive",
+    "start-js": "react-scripts start",
+    "start": "npm-run-all -p watch-css start-js",
+    "build": "npm run build-css && react-scripts build",
     "test": "react-scripts test --env=jsdom",
     "eject": "react-scripts eject"
   }
diff --git a/src/components/App/App.css b/src/components/App/App.css
deleted file mode 100644
index c6fc10e..0000000
--- a/src/components/App/App.css
+++ /dev/null
@@ -1,22 +0,0 @@
-.tlbx-body {
-  background: #f0f0f0;
-}
-
-.tlbx-h2 { text-align: center; }
-
-.styleguide {
-  display: grid;
-  grid-template-columns: minmax(200px, 20vw) 1fr;
-  min-height: 100vh;
-}
-
-.tlbx-sidebar-wrapper {
-  grid-column: 1;
-  background-color: #F0F0F2;
-}
-
-.tlbx-content-wrapper {
-  grid-column: 2;
-  align-self: start;
-  margin-left: 18px;
-}
diff --git a/src/components/App/App.js b/src/components/App/App.js
index 3384909..359ea4d 100644
--- a/src/components/App/App.js
+++ b/src/components/App/App.js
@@ -35,11 +35,14 @@ class App extends Component {
         const path = `components/${group}/${slug}/`;
         const config = yaml.load(`${path}/${slug}.yml`);
         const content = this.getMarkup(path, slug);
-        const variants = config && config.variants ? Object.keys(config.variants).map(key => {
-          const variantSlug = `${slug}-${key}`;
+        const variants = config && config.variants ? config.variants.map(key => {
+          // Make sure we put the slug to lowercase, to avoid issues on
+          // Case Sensitive systems (GH Pages)
+          const variantSlug = (`${slug}-${key}`).toLowerCase();
+
           return {
             slug: variantSlug,
-            title: config.variants[key],
+            title: key,
             content: this.getMarkup(path, variantSlug),
           };
         }) : null;
@@ -88,6 +91,9 @@ class App extends Component {
     if (hasStyleguideShell) {
       return (
         <div className="styleguide">
+          <div className="tlbx-toolbar-wrapper">
+            Tools
+          </div>
           <div className="tlbx-sidebar-wrapper">
             <Sidebar />
           </div>
diff --git a/src/components/App/App.scss b/src/components/App/App.scss
new file mode 100644
index 0000000..7c04bce
--- /dev/null
+++ b/src/components/App/App.scss
@@ -0,0 +1,32 @@
+@import '../../variables.scss';
+
+.tlbx-body {
+  background: $body-bg;
+}
+
+.tlbx-h2 { text-align: center; }
+
+.styleguide {
+  display: grid;
+  grid-template-columns: 60px 240px 1fr;
+  min-height: 100vh;
+  max-width: 100%;
+}
+
+.tlbx-toolbar-wrapper {
+  grid-column: 1;
+  background-color: $color-primary;
+  color: white;
+}
+
+.tlbx-sidebar-wrapper {
+  grid-column: 2;
+  background-color: $gray-lighter;
+}
+
+.tlbx-content-wrapper {
+  grid-column: 3;
+  align-self: start;
+  padding: 0 1rem;
+  overflow: hidden;
+}
diff --git a/src/components/Item/Item.css b/src/components/Item/Item.css
deleted file mode 100644
index e7f8f80..0000000
--- a/src/components/Item/Item.css
+++ /dev/null
@@ -1,8 +0,0 @@
-.tlbx-item-code {
-  margin: 2rem 0 0;
-}
-
-.tlbx-item-code pre {
-  padding: 0.6rem;
-  box-shadow: inset 0 0 0 2px rgba(255,255,255,0.4);
-}
\ No newline at end of file
diff --git a/src/components/Item/Item.js b/src/components/Item/Item.js
index 44c4ded..f4d2a95 100644
--- a/src/components/Item/Item.js
+++ b/src/components/Item/Item.js
@@ -1,5 +1,6 @@
 import React, { Component } from 'react';
 import { inject, observer } from 'mobx-react';
+import PropTypes from 'prop-types';
 
 import SyntaxHighlighter, { registerLanguage } from 'react-syntax-highlighter/dist/light';
 import xml from 'react-syntax-highlighter/dist/languages/xml';
@@ -18,7 +19,7 @@ class Item extends Component {
         {title}
         <div
           className={`tlbx-item-preview ${this.props.wrapper} ${this.props.slug}`}
-          style={{background: this.props.background}}
+          style={this.props.background ? {backgroundColor: this.props.background} : {}}
           dangerouslySetInnerHTML={{ __html: this.props.children }}
         />
         <div className="tlbx-item-code">
@@ -26,6 +27,15 @@ class Item extends Component {
             language='html'
             style={atomOneDark}
             wrapLines={true}
+            showLineNumbers={true}
+            lineNumberContainerStyle={{
+              padding: '0.5em 0.5em 1em 0.5em',
+              float: 'left',
+              margin: '-0.5em 0 -0.5em -0.5em',
+              textAlign: 'right',
+              backgroundColor: 'rgba(255,255,255,0.1)',
+              marginRight: '0.5em'
+            }}
           >
             {this.props.children}
           </SyntaxHighlighter>
@@ -35,4 +45,12 @@ class Item extends Component {
   }
 }
 
+Item.PropTypes = {
+  title: PropTypes.string,
+  wrapper: PropTypes.string,
+  slug: PropTypes.string,
+  background: PropTypes.string,
+  children: PropTypes.string.isRequired,
+}
+
 export default inject('store')(observer(Item));
diff --git a/src/components/Item/Item.scss b/src/components/Item/Item.scss
new file mode 100644
index 0000000..49db112
--- /dev/null
+++ b/src/components/Item/Item.scss
@@ -0,0 +1,19 @@
+@import '../../variables.scss';
+
+.tlbx-item-code {
+
+  margin: 2rem 0 0;
+}
+
+.tlbx-item-code pre {
+  padding: 0.6rem;
+  box-shadow: inset 0 0 0 2px rgba(255,255,255,0.4);
+
+  // Code sample
+  code:last-child {
+    // Hide last empty line (:empty not working, because React)
+    > span:last-of-type {
+      display: none;
+    }
+  }
+}
diff --git a/src/components/Sidebar/Sidebar.css b/src/components/Sidebar/Sidebar.css
deleted file mode 100644
index ea4dfc1..0000000
--- a/src/components/Sidebar/Sidebar.css
+++ /dev/null
@@ -1,9 +0,0 @@
-.toolbox-sidebar {
-  height: 100vh;
-  padding: 0 2em;
-  border-right: 1px solid #333;
-}
-
-/* .tlbx-sidebar {
-  padding: 2em;
-} */
diff --git a/src/components/Sidebar/Sidebar.js b/src/components/Sidebar/Sidebar.js
index c5840a1..23e5fa4 100644
--- a/src/components/Sidebar/Sidebar.js
+++ b/src/components/Sidebar/Sidebar.js
@@ -1,25 +1,20 @@
 import React, { Component } from 'react';
 import { inject, observer } from 'mobx-react';
-import { NavLink } from 'react-router-dom'
-import PropTypes from 'prop-types';
+import { NavLink, withRouter } from 'react-router-dom'
+
+import SidebarItem from '../SidebarItem/SidebarItem';
 
 import './Sidebar.css';
 
 class Sidebar extends Component {
   render() {
-    const noComponents = (
-      <li>
-        <small>
-          <span className="text-muted">No components yet.</span><br />
-          Run <code>$ yo toolbox:generate</code>
-        </small>
-      </li>
-    );
     return (
       <div className="tlbx-sidebar">
-        <ul>
+        <h1 className="tlbx-sidebar-title">Toolbox <span>Design System</span></h1>
+
+        <ul className="tlbx-sidebar-item-list">
           <li>
-            <NavLink to={'/'}>Home</NavLink>
+            <NavLink to={'/'} exact>Home</NavLink>
           </li>
           <li>
             <NavLink to={'/colors'}>Colors</NavLink>
@@ -29,34 +24,11 @@ class Sidebar extends Component {
         {Object.keys(this.props.store.components).map((group, key) => {
           if (group === 'docs') return null;
 
-          return (
-            <div key={key}>
-              <strong>{group}</strong>
-              <ul>
-                {this.props.store.components[group].map((component, key) => {
-                  const path = `/${group}/${component.name}`;
-
-                  return (
-                    <li key={key}>
-                      <NavLink to={path}>
-                        {component.title}
-                      </NavLink>
-                    </li>
-                  )
-                })}
-                {this.props.store.components[group].length === 0 && noComponents}
-              </ul>
-            </div>
-          )
+          return <SidebarItem key={key} group={group} />
         })}
-
       </div>
     );
   }
 }
 
-Sidebar.propTypes = {
-  components: PropTypes.object,
-};
-
-export default inject('store')(observer(Sidebar));
+export default withRouter(inject('store')(observer(Sidebar)));
diff --git a/src/components/Sidebar/Sidebar.scss b/src/components/Sidebar/Sidebar.scss
new file mode 100644
index 0000000..acc124b
--- /dev/null
+++ b/src/components/Sidebar/Sidebar.scss
@@ -0,0 +1,20 @@
+@import '../../variables.scss';
+
+.tlbx-sidebar {
+  padding: 1em 0;
+
+  a {
+    color: $body-color;
+    text-decoration: none;
+  }
+}
+
+.tlbx-sidebar-title {
+  font-size: 1rem;
+  margin: 0 1rem 1rem;
+
+  span {
+    font-weight: 200;
+  }
+}
+
diff --git a/src/components/SidebarItem/SidebarItem.js b/src/components/SidebarItem/SidebarItem.js
new file mode 100644
index 0000000..9de4049
--- /dev/null
+++ b/src/components/SidebarItem/SidebarItem.js
@@ -0,0 +1,79 @@
+import React, { Component } from 'react';
+import { inject, observer } from 'mobx-react';
+import { NavLink, withRouter } from 'react-router-dom'
+import Collapse from 'react-css-collapse';
+import PropTypes from 'prop-types';
+
+import './SidebarItem.css';
+
+class SidebarItem extends Component {
+  constructor() {
+    super();
+
+    this.state = {
+      active: false,
+    }
+
+    this.toggleComponentsList = this.toggleComponentsList.bind(this);
+  }
+
+  toggleComponentsList() {
+    this.setState({
+      active: !this.state.active,
+    });
+  }
+
+  componentDidMount() {
+    const regex = new RegExp(`^/${this.props.group}/`);
+    const isCurrent = this.props.location.pathname.match(regex);
+
+    this.setState({
+      active: !!isCurrent
+    })
+  }
+
+  render() {
+    const noComponents = (
+      <li>
+        <small className="tlbx-sidebar-item-list-empty">
+          <span className="text-muted">No components yet.</span><br />
+          Run <code>$ yo toolbox:generate</code>
+        </small>
+      </li>
+    );
+
+
+    return (
+      <div className={this.state.active ? ' tlbx-open' : ''}>
+        <button className="tlbx-sidebar-item" onClick={() => this.toggleComponentsList()}>
+          <strong>{this.props.group}</strong>
+        </button>
+        <Collapse className="tlbx-sidebar-collapse" isOpen={this.state.active}>
+          <ul className="tlbx-sidebar-item-list">
+            {this.props.store.components[this.props.group].map((component, key) => {
+              const path = `/${this.props.group}/${component.name}`;
+
+              return (
+                <li key={key}>
+                  <NavLink to={path}>
+                    {component.title}
+                  </NavLink>
+                </li>
+              )
+            })}
+            {this.props.store.components[this.props.group].length === 0 && noComponents}
+          </ul>
+        </Collapse>
+      </div>
+    );
+  }
+}
+
+SidebarItem.propTypes = {
+  group: PropTypes.string.isRequired,
+  match: PropTypes.object.isRequired,
+  location: PropTypes.object.isRequired,
+  history: PropTypes.object.isRequired
+};
+
+export default withRouter(inject('store')(observer(SidebarItem)));
diff --git a/src/components/SidebarItem/SidebarItem.scss b/src/components/SidebarItem/SidebarItem.scss
new file mode 100644
index 0000000..7ed3a7f
--- /dev/null
+++ b/src/components/SidebarItem/SidebarItem.scss
@@ -0,0 +1,87 @@
+@import '../../variables.scss';
+
+.tlbx-sidebar-item {
+  display: flex;
+  margin: 0 0 0.5rem 0;
+  width: 100%;
+  padding-right: 1rem;
+  padding-left: 1rem;
+  border: 0;
+  background: none;
+  cursor: pointer;
+  text-transform: capitalize;
+  font-size: 1rem;
+
+  &:hover {
+    color: $link-hover-color;
+  }
+
+  &:after {
+    content: '';
+    line-height: 0;
+    align-self: center;
+    margin-left: auto;
+    margin-right: 1rem;
+    display: block;
+    width: 0;
+    height: 0;
+    border-left: 5px solid transparent;
+    border-right: 5px solid transparent;
+    border-top: 5px solid $link-color;
+    font-size: 0;
+    line-height: 0;
+  }
+
+  .tlbx-open & {
+    &:after {
+      transform: rotate(180deg);
+    }
+  }
+}
+
+.tlbx-sidebar-collapse {
+  transition: height 250ms cubic-bezier(.4, 0, .2, 1);
+}
+
+.tlbx-sidebar-item-list {
+  margin-top: 0;
+  list-style: none;
+  padding: 0;
+
+  a {
+    display: block;
+    position: relative;
+    padding: 0.25rem 0.5rem 0.25rem 2rem;
+    color: $body-color;
+    transition: color 250ms ease;
+
+    &:before {
+      content: '';
+      position: absolute;
+      top: 0;
+      left: 0;
+      height: 100%;
+      border-left: 0 solid $link-color;
+      transition: border-width 100ms ease;
+    }
+
+    &.active,
+    &:hover {
+      color: $link-color;
+      text-decoration: none;
+
+      &:before {
+        border-left-width: 4px;
+      }
+    }
+
+    &.active {
+      font-weight: bold;
+    }
+  }
+}
+
+.tlbx-sidebar-item-list-empty {
+  display: block;
+  margin-left: 1rem;
+}
diff --git a/src/index.css b/src/index.css
deleted file mode 100644
index ea1e941..0000000
--- a/src/index.css
+++ /dev/null
@@ -1,4 +0,0 @@
-body {
-  margin: 0;
-  padding: 0;
-}
diff --git a/src/index.scss b/src/index.scss
new file mode 100644
index 0000000..899fe1f
--- /dev/null
+++ b/src/index.scss
@@ -0,0 +1,8 @@
+@import 'variables.scss';
+
+body {
+  margin: 0;
+  padding: 0;
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
+  color: $body-color;
+}
diff --git a/src/variables.scss b/src/variables.scss
new file mode 100644
index 0000000..9ff0900
--- /dev/null
+++ b/src/variables.scss
@@ -0,0 +1,14 @@
+
+// Colors
+$black: #010a15;
+$white: #f0f0f0;
+$color-primary: #003baf;
+$color-secondary-light: #3474a8;
+$color-secondary-dark: #012f4d;
+$gray-lighter: #f3f4f7;
+
+
+$body-color: $black;
+$body-bg: $white;
+$link-color: $color-secondary-light;
+$link-hover-color: $color-secondary-dark;
diff --git a/src/views/Colors/Colors.js b/src/views/Colors/Colors.js
index 4d321e1..5005442 100644
--- a/src/views/Colors/Colors.js
+++ b/src/views/Colors/Colors.js
@@ -106,22 +106,6 @@ class Colors extends Component {
                             Aa
                           </span>
                         </Tooltip>
-                        {/* <Tooltip
-                          id={`tooltip${key}${key2}`}
-                          getContent={() => {
-                            return (
-                              <div>
-                                {Object.keys(combination.accessibility).map(color => {
-                                  return (
-                                    <div className={combination.accessibility[color] ? 'text-success' : 'text-danger'} key={color}>
-                                      {`${color}: ${combination.accessibility[color] ? '✔︎' : '✘'}`}
-                                    </div>
-                                )})}
-                                Contrast: {Math.round(combination.contrast * 10) / 10}:1
-                              </div>
-                            );
-                          }}
-                        /> */}
                       </td>
                     )
 
diff --git a/src/views/Colors/Colors.css b/src/views/Colors/Colors.scss
similarity index 100%
rename from src/views/Colors/Colors.css
rename to src/views/Colors/Colors.scss
diff --git a/src/views/Page/Page.css b/src/views/Page/Page.scss
similarity index 100%
rename from src/views/Page/Page.css
rename to src/views/Page/Page.scss
diff --git a/src/views/Single/Single.js b/src/views/Single/Single.js
index ee24877..fcd68e9 100644
--- a/src/views/Single/Single.js
+++ b/src/views/Single/Single.js
@@ -72,7 +72,7 @@ class Single extends Component {
               title={variant.title}
               slug={`tlbx-${this.state.component.slug}-${variant.slug}`}
             >
-                {variant.markup}
+              {variant.markup}
             </Item>
           );
         })}
@@ -92,7 +92,9 @@ class Single extends Component {
           wrapper={this.state.component.wrapper || ''}
           background={this.state.component.background}
           slug={`tlbx-${this.state.component.slug}`}
-        >{this.state.content}</Item>
+        >
+          {this.state.content}
+        </Item>
 
         {variants}
       </div>
diff --git a/src/views/Single/Single.css b/src/views/Single/Single.scss
similarity index 100%
rename from src/views/Single/Single.css
rename to src/views/Single/Single.scss
diff --git a/yarn.lock b/yarn.lock
index 24626bf..95b9f4c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -285,6 +285,10 @@ async-each@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/async-each/-/async-each-1.0.1.tgz#19d386a1d9edc6e7c1c85d388aedbcc56d33602d"
 
+async-foreach@^0.1.3:
+  version "0.1.3"
+  resolved "https://registry.yarnpkg.com/async-foreach/-/async-foreach-0.1.3.tgz#36121f845c0578172de419a97dbeb1d16ec34542"
+
 async@^1.4.0, async@^1.5.2:
   version "1.5.2"
   resolved "https://registry.yarnpkg.com/async/-/async-1.5.2.tgz#ec6a61ae56480c0c3cb241c95618e20892f9672a"
@@ -1282,7 +1286,7 @@ cheerio@^0.18.0:
     htmlparser2 "~3.8.1"
     lodash "~2.4.1"
 
-chokidar@^1.6.0, chokidar@^1.7.0:
+chokidar@^1.6.0, chokidar@^1.6.1, chokidar@^1.7.0:
   version "1.7.0"
   resolved "https://registry.yarnpkg.com/chokidar/-/chokidar-1.7.0.tgz#798e689778151c8076b4b360e5edd28cda2bb468"
   dependencies:
@@ -1656,6 +1660,21 @@ cross-spawn@4.0.2:
     lru-cache "^4.0.1"
     which "^1.2.9"
 
+cross-spawn@^3.0.0:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/cross-spawn/-/cross-spawn-3.0.1.tgz#1256037ecb9f0c5f79e3d6ef135e30770184b982"
+  dependencies:
+    lru-cache "^4.0.1"
+    which "^1.2.9"
+
+cross-spawn@^5.0.1:
+  version "5.1.0"
+  resolved "https://registry.yarnpkg.com/cross-spawn/-/cross-spawn-5.1.0.tgz#e8bd0efee58fcff6f8f94510a0a554bbfa235449"
+  dependencies:
+    lru-cache "^4.0.1"
+    shebang-command "^1.2.0"
+    which "^1.2.9"
+
 cryptiles@2.x.x:
   version "2.0.5"
   resolved "https://registry.yarnpkg.com/cryptiles/-/cryptiles-2.0.5.tgz#3bdfecdc608147c1c67202fa291e7dca59eaa3b8"
@@ -2070,7 +2089,7 @@ duplexer2@^0.1.4:
   dependencies:
     readable-stream "^2.0.2"
 
-duplexer@^0.1.1:
+duplexer@^0.1.1, duplexer@~0.1.1:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/duplexer/-/duplexer-0.1.1.tgz#ace6ff808c1ce66b57d1ebf97977acb02334cfc1"
 
@@ -2147,6 +2166,16 @@ error-ex@^1.2.0:
   dependencies:
     is-arrayish "^0.2.1"
 
+es-abstract@^1.4.3:
+  version "1.8.0"
+  resolved "https://registry.yarnpkg.com/es-abstract/-/es-abstract-1.8.0.tgz#3b00385e85729932beffa9163bbea1234e932914"
+  dependencies:
+    es-to-primitive "^1.1.1"
+    function-bind "^1.1.0"
+    has "^1.0.1"
+    is-callable "^1.1.3"
+    is-regex "^1.0.4"
+
 es-abstract@^1.7.0:
   version "1.7.0"
   resolved "https://registry.yarnpkg.com/es-abstract/-/es-abstract-1.7.0.tgz#dfade774e01bfcd97f96180298c449c8623fb94c"
@@ -2414,6 +2443,18 @@ event-emitter@~0.3.5:
     d "1"
     es5-ext "~0.10.14"
 
+event-stream@~3.3.0:
+  version "3.3.4"
+  resolved "https://registry.yarnpkg.com/event-stream/-/event-stream-3.3.4.tgz#4ab4c9a0f5a54db9338b4c34d86bfce8f4b35571"
+  dependencies:
+    duplexer "~0.1.1"
+    from "~0"
+    map-stream "~0.1.0"
+    pause-stream "0.0.11"
+    split "0.3"
+    stream-combiner "~0.0.4"
+    through "~2.3.1"
+
 eventemitter3@1.x.x:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/eventemitter3/-/eventemitter3-1.2.0.tgz#1c86991d816ad1e504750e73874224ecf3bec508"
@@ -2707,6 +2748,10 @@ fresh@0.5.0:
   version "0.5.0"
   resolved "https://registry.yarnpkg.com/fresh/-/fresh-0.5.0.tgz#f474ca5e6a9246d6fd8e0953cfa9b9c805afa78e"
 
+from@~0:
+  version "0.1.7"
+  resolved "https://registry.yarnpkg.com/from/-/from-0.1.7.tgz#83c60afc58b9c56997007ed1a768b3ab303a44fe"
+
 fs-extra@3.0.1:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/fs-extra/-/fs-extra-3.0.1.tgz#3794f378c58b342ea7dbbb23095109c4b3b62291"
@@ -2770,6 +2815,12 @@ gauge@~2.7.3:
     strip-ansi "^3.0.1"
     wide-align "^1.1.0"
 
+gaze@^1.0.0:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/gaze/-/gaze-1.1.2.tgz#847224677adb8870d679257ed3388fdb61e40105"
+  dependencies:
+    globule "^1.0.0"
+
 generate-function@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/generate-function/-/generate-function-2.0.0.tgz#6858fe7c0969b7d4e9093337647ac79f60dfbe74"
@@ -2829,7 +2880,7 @@ glob-parent@^2.0.0:
   dependencies:
     is-glob "^2.0.0"
 
-glob@^7.0.0, glob@^7.0.3, glob@^7.0.5, glob@^7.1.1:
+glob@^7.0.0, glob@^7.0.3, glob@^7.0.5, glob@^7.1.1, glob@~7.1.1:
   version "7.1.2"
   resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.2.tgz#c19c9df9a028702d678612384a6552404c636d15"
   dependencies:
@@ -2865,6 +2916,14 @@ globby@^6.1.0:
     pify "^2.0.0"
     pinkie-promise "^2.0.0"
 
+globule@^1.0.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/globule/-/globule-1.2.0.tgz#1dc49c6822dd9e8a2fa00ba2a295006e8664bd09"
+  dependencies:
+    glob "~7.1.1"
+    lodash "~4.17.4"
+    minimatch "~3.0.2"
+
 good-listener@^1.2.2:
   version "1.2.2"
   resolved "https://registry.yarnpkg.com/good-listener/-/good-listener-1.2.2.tgz#d53b30cdf9313dffb7dc9a0d477096aa6d145c50"
@@ -3456,7 +3515,7 @@ is-redirect@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/is-redirect/-/is-redirect-1.0.0.tgz#1d03dded53bd8db0f30c26e4f95d36fc7c87dc24"
 
-is-regex@^1.0.3:
+is-regex@^1.0.3, is-regex@^1.0.4:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/is-regex/-/is-regex-1.0.4.tgz#5517489b547091b0930e095654ced25ee97e9491"
   dependencies:
@@ -3815,7 +3874,7 @@ jest@20.0.4:
   dependencies:
     jest-cli "^20.0.4"
 
-js-base64@^2.1.9, js-base64@~2.1.8:
+js-base64@^2.1.8, js-base64@^2.1.9, js-base64@~2.1.8:
   version "2.1.9"
   resolved "https://registry.yarnpkg.com/js-base64/-/js-base64-2.1.9.tgz#f0e80ae039a4bd654b5f281fc93f04a914a7fcce"
 
@@ -3999,6 +4058,15 @@ load-json-file@^1.0.0:
     pinkie-promise "^2.0.0"
     strip-bom "^2.0.0"
 
+load-json-file@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/load-json-file/-/load-json-file-2.0.0.tgz#7947e42149af80d696cbf797bcaabcfe1fe29ca8"
+  dependencies:
+    graceful-fs "^4.1.2"
+    parse-json "^2.2.0"
+    pify "^2.0.0"
+    strip-bom "^3.0.0"
+
 loader-fs-cache@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/loader-fs-cache/-/loader-fs-cache-1.0.1.tgz#56e0bf08bd9708b26a765b68509840c8dec9fdbc"
@@ -4054,6 +4122,10 @@ lodash.camelcase@^4.3.0:
   version "4.3.0"
   resolved "https://registry.yarnpkg.com/lodash.camelcase/-/lodash.camelcase-4.3.0.tgz#b28aa6288a2b9fc651035c7711f65ab6190331a6"
 
+lodash.clonedeep@^4.3.2:
+  version "4.5.0"
+  resolved "https://registry.yarnpkg.com/lodash.clonedeep/-/lodash.clonedeep-4.5.0.tgz#e23f3f9c4f8fbdde872529c1071857a086e5ccef"
+
 lodash.cond@^4.3.0:
   version "4.5.2"
   resolved "https://registry.yarnpkg.com/lodash.cond/-/lodash.cond-4.5.2.tgz#f471a1da486be60f6ab955d17115523dd1d255d5"
@@ -4086,6 +4158,10 @@ lodash.memoize@^4.1.2:
   version "4.1.2"
   resolved "https://registry.yarnpkg.com/lodash.memoize/-/lodash.memoize-4.1.2.tgz#bcc6c49a42a2840ed997f323eada5ecd182e0bfe"
 
+lodash.mergewith@^4.6.0:
+  version "4.6.0"
+  resolved "https://registry.yarnpkg.com/lodash.mergewith/-/lodash.mergewith-4.6.0.tgz#150cf0a16791f5903b8891eab154609274bdea55"
+
 lodash.template@^4.4.0:
   version "4.4.0"
   resolved "https://registry.yarnpkg.com/lodash.template/-/lodash.template-4.4.0.tgz#e73a0385c8355591746e020b99679c690e68fba0"
@@ -4103,7 +4179,7 @@ lodash.uniq@^4.5.0:
   version "4.5.0"
   resolved "https://registry.yarnpkg.com/lodash.uniq/-/lodash.uniq-4.5.0.tgz#d0225373aeb652adc1bc82e4945339a842754773"
 
-"lodash@>=3.5 <5", lodash@^4.0.0, lodash@^4.14.0, lodash@^4.15.0, lodash@^4.17.2, lodash@^4.17.3, lodash@^4.2.0, lodash@^4.3.0:
+"lodash@>=3.5 <5", lodash@^4.0.0, lodash@^4.14.0, lodash@^4.15.0, lodash@^4.17.2, lodash@^4.17.3, lodash@^4.2.0, lodash@^4.3.0, lodash@~4.17.4:
   version "4.17.4"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.4.tgz#78203a4d1c328ae1d86dca6460e369b57f4055ae"
 
@@ -4167,6 +4243,10 @@ map-obj@^1.0.0, map-obj@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/map-obj/-/map-obj-1.0.1.tgz#d933ceb9205d82bdcf4886f6742bdc2b4dea146d"
 
+map-stream@~0.1.0:
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/map-stream/-/map-stream-0.1.0.tgz#e56aa94c4c8055a16404a0674b78f215f7c8e194"
+
 math-expression-evaluator@^1.2.14:
   version "1.2.17"
   resolved "https://registry.yarnpkg.com/math-expression-evaluator/-/math-expression-evaluator-1.2.17.tgz#de819fdbcd84dccd8fae59c6aeb79615b9d266ac"
@@ -4274,7 +4354,7 @@ minimatch@3.0.3:
   dependencies:
     brace-expansion "^1.0.0"
 
-minimatch@3.0.x, minimatch@^3.0.0, minimatch@^3.0.2, minimatch@^3.0.3, minimatch@^3.0.4:
+minimatch@3.0.x, minimatch@^3.0.0, minimatch@^3.0.2, minimatch@^3.0.3, minimatch@^3.0.4, minimatch@~3.0.2:
   version "3.0.4"
   resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-3.0.4.tgz#5166e286457f03306064be5497e8dbb0c3d32083"
   dependencies:
@@ -4327,7 +4407,7 @@ mute-stream@0.0.7:
   version "0.0.7"
   resolved "https://registry.yarnpkg.com/mute-stream/-/mute-stream-0.0.7.tgz#3075ce93bc21b8fab43e1bc4da7e8115ed1e7bab"
 
-nan@^2.3.0:
+nan@^2.3.0, nan@^2.3.2:
   version "2.6.2"
   resolved "https://registry.yarnpkg.com/nan/-/nan-2.6.2.tgz#e4ff34e6c95fdfb5aecc08de6596f43605a7db45"
 
@@ -4362,6 +4442,24 @@ node-forge@0.6.33:
   version "0.6.33"
   resolved "https://registry.yarnpkg.com/node-forge/-/node-forge-0.6.33.tgz#463811879f573d45155ad6a9f43dc296e8e85ebc"
 
+node-gyp@^3.3.1:
+  version "3.6.2"
+  resolved "https://registry.yarnpkg.com/node-gyp/-/node-gyp-3.6.2.tgz#9bfbe54562286284838e750eac05295853fa1c60"
+  dependencies:
+    fstream "^1.0.0"
+    glob "^7.0.3"
+    graceful-fs "^4.1.2"
+    minimatch "^3.0.2"
+    mkdirp "^0.5.0"
+    nopt "2 || 3"
+    npmlog "0 || 1 || 2 || 3 || 4"
+    osenv "0"
+    request "2"
+    rimraf "2"
+    semver "~5.3.0"
+    tar "^2.0.0"
+    which "1"
+
 node-int64@^0.4.0:
   version "0.4.0"
   resolved "https://registry.yarnpkg.com/node-int64/-/node-int64-0.4.0.tgz#87a9065cdb355d3182d8f94ce11188b825c68a3b"
@@ -4417,10 +4515,52 @@ node-pre-gyp@^0.6.36:
     tar "^2.2.1"
     tar-pack "^3.4.0"
 
+node-sass-chokidar@^0.0.3:
+  version "0.0.3"
+  resolved "https://registry.yarnpkg.com/node-sass-chokidar/-/node-sass-chokidar-0.0.3.tgz#ba460efe41c8f14ce800aaa3606a7acbb1e630d1"
+  dependencies:
+    async-foreach "^0.1.3"
+    chokidar "^1.6.1"
+    get-stdin "^4.0.1"
+    glob "^7.0.3"
+    meow "^3.7.0"
+    node-sass "^4.5.3"
+    sass-graph "^2.1.1"
+    stdout-stream "^1.4.0"
+
+node-sass@^4.5.3:
+  version "4.5.3"
+  resolved "https://registry.yarnpkg.com/node-sass/-/node-sass-4.5.3.tgz#d09c9d1179641239d1b97ffc6231fdcec53e1568"
+  dependencies:
+    async-foreach "^0.1.3"
+    chalk "^1.1.1"
+    cross-spawn "^3.0.0"
+    gaze "^1.0.0"
+    get-stdin "^4.0.1"
+    glob "^7.0.3"
+    in-publish "^2.0.0"
+    lodash.assign "^4.2.0"
+    lodash.clonedeep "^4.3.2"
+    lodash.mergewith "^4.6.0"
+    meow "^3.7.0"
+    mkdirp "^0.5.1"
+    nan "^2.3.2"
+    node-gyp "^3.3.1"
+    npmlog "^4.0.0"
+    request "^2.79.0"
+    sass-graph "^2.1.1"
+    stdout-stream "^1.4.0"
+
 node-status-codes@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/node-status-codes/-/node-status-codes-1.0.0.tgz#5ae5541d024645d32a58fcddc9ceecea7ae3ac2f"
 
+"nopt@2 || 3":
+  version "3.0.6"
+  resolved "https://registry.yarnpkg.com/nopt/-/nopt-3.0.6.tgz#c6465dbf08abcd4db359317f79ac68a646b28ff9"
+  dependencies:
+    abbrev "1"
+
 nopt@^4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/nopt/-/nopt-4.0.1.tgz#d0d4685afd5415193c8c7505602d0d17cd64474d"
@@ -4456,7 +4596,19 @@ normalize-url@^1.4.0:
     query-string "^4.1.0"
     sort-keys "^1.0.0"
 
-npmlog@^4.0.2:
+npm-run-all@^4.0.2:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/npm-run-all/-/npm-run-all-4.0.2.tgz#a84669348e6db6ccbe052200b4cdb6bfe034a4fe"
+  dependencies:
+    chalk "^1.1.3"
+    cross-spawn "^5.0.1"
+    minimatch "^3.0.2"
+    ps-tree "^1.0.1"
+    read-pkg "^2.0.0"
+    shell-quote "^1.6.1"
+    string.prototype.padend "^3.0.0"
+
+"npmlog@0 || 1 || 2 || 3 || 4", npmlog@^4.0.0, npmlog@^4.0.2:
   version "4.1.2"
   resolved "https://registry.yarnpkg.com/npmlog/-/npmlog-4.1.2.tgz#08a7f2a8bf734604779a9efa4ad5cc717abb954b"
   dependencies:
@@ -4591,7 +4743,7 @@ os-tmpdir@^1.0.0, os-tmpdir@^1.0.1, os-tmpdir@~1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/os-tmpdir/-/os-tmpdir-1.0.2.tgz#bbe67406c79aa85c5cfec766fe5734555dfa1274"
 
-osenv@^0.1.0, osenv@^0.1.4:
+osenv@0, osenv@^0.1.0, osenv@^0.1.4:
   version "0.1.4"
   resolved "https://registry.yarnpkg.com/osenv/-/osenv-0.1.4.tgz#42fe6d5953df06c8064be6f176c3d05aaaa34644"
   dependencies:
@@ -4712,6 +4864,18 @@ path-type@^1.0.0:
     pify "^2.0.0"
     pinkie-promise "^2.0.0"
 
+path-type@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/path-type/-/path-type-2.0.0.tgz#f012ccb8415b7096fc2daa1054c3d72389594c73"
+  dependencies:
+    pify "^2.0.0"
+
+pause-stream@0.0.11:
+  version "0.0.11"
+  resolved "https://registry.yarnpkg.com/pause-stream/-/pause-stream-0.0.11.tgz#fe5a34b0cbce12b5aa6a2b403ee2e73b602f1445"
+  dependencies:
+    through "~2.3"
+
 pbkdf2@^3.0.3:
   version "3.0.12"
   resolved "https://registry.yarnpkg.com/pbkdf2/-/pbkdf2-3.0.12.tgz#be36785c5067ea48d806ff923288c5f750b6b8a2"
@@ -5136,6 +5300,12 @@ prr@~0.0.0:
   version "0.0.0"
   resolved "https://registry.yarnpkg.com/prr/-/prr-0.0.0.tgz#1a84b85908325501411853d0081ee3fa86e2926a"
 
+ps-tree@^1.0.1:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/ps-tree/-/ps-tree-1.1.0.tgz#b421b24140d6203f1ed3c76996b4427b08e8c014"
+  dependencies:
+    event-stream "~3.3.0"
+
 pseudo-classes@0.0.1:
   version "0.0.1"
   resolved "https://registry.yarnpkg.com/pseudo-classes/-/pseudo-classes-0.0.1.tgz#dec983d94a68d03ddfdef3f07c44af9f6c223a5b"
@@ -5273,6 +5443,10 @@ react-clipboard.js@^1.1.2:
     clipboard "^1.6.1"
     prop-types "^15.5.0"
 
+react-css-collapse@^3.0.2:
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/react-css-collapse/-/react-css-collapse-3.0.2.tgz#26958b0545dfdc62d49701e51ff1f931ee199950"
+
 react-dev-utils@^3.0.2:
   version "3.0.2"
   resolved "https://registry.yarnpkg.com/react-dev-utils/-/react-dev-utils-3.0.2.tgz#1a42263e9b6aa11dcb45d69dfe5eb1b354bd5531"
@@ -5429,6 +5603,14 @@ read-pkg@^1.0.0:
     normalize-package-data "^2.3.2"
     path-type "^1.0.0"
 
+read-pkg@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/read-pkg/-/read-pkg-2.0.0.tgz#8ef1c0623c6a6db0dc6713c4bfac46332b2368f8"
+  dependencies:
+    load-json-file "^2.0.0"
+    normalize-package-data "^2.3.2"
+    path-type "^2.0.0"
+
 readable-stream@1.0:
   version "1.0.34"
   resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-1.0.34.tgz#125820e34bc842d2f2aaafafe4c2916ee32c157c"
@@ -5603,7 +5785,7 @@ repeating@^2.0.0:
   dependencies:
     is-finite "^1.0.0"
 
-request@^2.48.0, request@^2.79.0, request@^2.81.0:
+request@2, request@^2.48.0, request@^2.79.0, request@^2.81.0:
   version "2.81.0"
   resolved "https://registry.yarnpkg.com/request/-/request-2.81.0.tgz#c6928946a0e06c5f8d6f8a9333469ffda46298a0"
   dependencies:
@@ -5754,6 +5936,15 @@ sane@~1.6.0:
     walker "~1.0.5"
     watch "~0.10.0"
 
+sass-graph@^2.1.1:
+  version "2.2.4"
+  resolved "https://registry.yarnpkg.com/sass-graph/-/sass-graph-2.2.4.tgz#13fbd63cd1caf0908b9fd93476ad43a51d1e0b49"
+  dependencies:
+    glob "^7.0.0"
+    lodash "^4.0.0"
+    scss-tokenizer "^0.2.3"
+    yargs "^7.0.0"
+
 sax@^1.2.1, sax@~1.2.1:
   version "1.2.4"
   resolved "https://registry.yarnpkg.com/sax/-/sax-1.2.4.tgz#2816234e2378bddc4e5354fab5caa895df7100d9"
@@ -5764,6 +5955,13 @@ schema-utils@^0.3.0:
   dependencies:
     ajv "^5.0.0"
 
+scss-tokenizer@^0.2.3:
+  version "0.2.3"
+  resolved "https://registry.yarnpkg.com/scss-tokenizer/-/scss-tokenizer-0.2.3.tgz#8eb06db9a9723333824d3f5530641149847ce5d1"
+  dependencies:
+    js-base64 "^2.1.8"
+    source-map "^0.4.2"
+
 select-hose@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/select-hose/-/select-hose-2.0.0.tgz#625d8658f865af43ec962bfc376a37359a4994ca"
@@ -5788,6 +5986,10 @@ semver-diff@^2.0.0:
   version "5.4.1"
   resolved "https://registry.yarnpkg.com/semver/-/semver-5.4.1.tgz#e059c09d8571f0540823733433505d3a2f00b18e"
 
+semver@~5.3.0:
+  version "5.3.0"
+  resolved "https://registry.yarnpkg.com/semver/-/semver-5.3.0.tgz#9b2ce5d3de02d17c6012ad326aa6b4d0cf54f94f"
+
 send@0.15.3:
   version "0.15.3"
   resolved "https://registry.yarnpkg.com/send/-/send-0.15.3.tgz#5013f9f99023df50d1bd9892c19e3defd1d53309"
@@ -5863,7 +6065,17 @@ shallowequal@^0.2.2:
   dependencies:
     lodash.keys "^3.1.2"
 
-shell-quote@1.6.1:
+shebang-command@^1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/shebang-command/-/shebang-command-1.2.0.tgz#44aac65b695b03398968c39f363fee5deafdf1ea"
+  dependencies:
+    shebang-regex "^1.0.0"
+
+shebang-regex@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/shebang-regex/-/shebang-regex-1.0.0.tgz#da42f49740c0b42db2ca9728571cb190c98efea3"
+
+shell-quote@1.6.1, shell-quote@^1.6.1:
   version "1.6.1"
   resolved "https://registry.yarnpkg.com/shell-quote/-/shell-quote-1.6.1.tgz#f4781949cce402697127430ea3b3c5476f481767"
   dependencies:
@@ -5963,7 +6175,7 @@ source-map@0.5.6, source-map@0.5.x, source-map@^0.5.0, source-map@^0.5.3, source
   version "0.5.6"
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.5.6.tgz#75ce38f52bf0733c5a7f0c118d81334a2bb5f412"
 
-source-map@^0.4.4, source-map@~0.4.2:
+source-map@^0.4.2, source-map@^0.4.4, source-map@~0.4.2:
   version "0.4.4"
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.4.4.tgz#eba4f5da9c0dc999de68032d8b4f76173652036b"
   dependencies:
@@ -6016,6 +6228,12 @@ specificity@^0.1.4:
   version "0.1.6"
   resolved "https://registry.yarnpkg.com/specificity/-/specificity-0.1.6.tgz#aa501048f96e69485ddc95ef9f7a5b77f01232aa"
 
+split@0.3:
+  version "0.3.3"
+  resolved "https://registry.yarnpkg.com/split/-/split-0.3.3.tgz#cd0eea5e63a211dfff7eb0f091c4133e2d0dd28f"
+  dependencies:
+    through "2"
+
 sprintf-js@~1.0.2:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/sprintf-js/-/sprintf-js-1.0.3.tgz#04e6926f662895354f3dd015203633b857297e2c"
@@ -6042,6 +6260,12 @@ stdin@0.0.1:
   version "0.0.1"
   resolved "https://registry.yarnpkg.com/stdin/-/stdin-0.0.1.tgz#d3041981aaec3dfdbc77a1b38d6372e38f5fb71e"
 
+stdout-stream@^1.4.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/stdout-stream/-/stdout-stream-1.4.0.tgz#a2c7c8587e54d9427ea9edb3ac3f2cd522df378b"
+  dependencies:
+    readable-stream "^2.0.1"
+
 stream-browserify@^2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/stream-browserify/-/stream-browserify-2.0.1.tgz#66266ee5f9bdb9940a4e4514cafb43bb71e5c9db"
@@ -6049,6 +6273,12 @@ stream-browserify@^2.0.1:
     inherits "~2.0.1"
     readable-stream "^2.0.2"
 
+stream-combiner@~0.0.4:
+  version "0.0.4"
+  resolved "https://registry.yarnpkg.com/stream-combiner/-/stream-combiner-0.0.4.tgz#4d5e433c185261dde623ca3f44c586bcf5c4ad14"
+  dependencies:
+    duplexer "~0.1.1"
+
 stream-http@^2.3.1:
   version "2.7.2"
   resolved "https://registry.yarnpkg.com/stream-http/-/stream-http-2.7.2.tgz#40a050ec8dc3b53b33d9909415c02c0bf1abfbad"
@@ -6084,6 +6314,14 @@ string-width@^2.0.0:
     is-fullwidth-code-point "^2.0.0"
     strip-ansi "^4.0.0"
 
+string.prototype.padend@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/string.prototype.padend/-/string.prototype.padend-3.0.0.tgz#f3aaef7c1719f170c5eab1c32bf780d96e21f2f0"
+  dependencies:
+    define-properties "^1.1.2"
+    es-abstract "^1.4.3"
+    function-bind "^1.0.2"
+
 string.prototype.repeat@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/string.prototype.repeat/-/string.prototype.repeat-0.2.0.tgz#aba36de08dcee6a5a337d49b2ea1da1b28fc0ecf"
@@ -6231,7 +6469,7 @@ tar-pack@^3.4.0:
     tar "^2.2.1"
     uid-number "^0.0.6"
 
-tar@^2.2.1:
+tar@^2.0.0, tar@^2.2.1:
   version "2.2.1"
   resolved "https://registry.yarnpkg.com/tar/-/tar-2.2.1.tgz#8e4d2a256c0e2185c6b18ad694aec968b83cb1d1"
   dependencies:
@@ -6257,7 +6495,7 @@ throat@^3.0.0:
   version "3.2.0"
   resolved "https://registry.yarnpkg.com/throat/-/throat-3.2.0.tgz#50cb0670edbc40237b9e347d7e1f88e4620af836"
 
-through@^2.3.6:
+through@2, through@^2.3.6, through@~2.3, through@~2.3.1:
   version "2.3.8"
   resolved "https://registry.yarnpkg.com/through/-/through-2.3.8.tgz#0dd4c9ffaabc357960b1b724115d7e0e86a2e1f5"
 
@@ -6703,6 +6941,12 @@ which-module@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/which-module/-/which-module-1.0.0.tgz#bba63ca861948994ff307736089e3b96026c2a4f"
 
+which@1:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/which/-/which-1.3.0.tgz#ff04bdfc010ee547d780bec38e1ac1c2777d253a"
+  dependencies:
+    isexe "^2.0.0"
+
 which@^1.2.12, which@^1.2.9:
   version "1.2.14"
   resolved "https://registry.yarnpkg.com/which/-/which-1.2.14.tgz#9a87c4378f03e827cecaf1acdf56c736c01c14e5"
@@ -6832,7 +7076,7 @@ yargs@^6.0.0:
     y18n "^3.2.1"
     yargs-parser "^4.2.0"
 
-yargs@^7.0.2:
+yargs@^7.0.0, yargs@^7.0.2:
   version "7.1.0"
   resolved "https://registry.yarnpkg.com/yargs/-/yargs-7.1.0.tgz#6ba318eb16961727f5d284f8ea003e8d6154d0c8"
   dependencies: