Add tab

client/App.jsx

@@ -28,6 +28,7 @@ import StepperInput from './layouts/stepper-input/Details';
 import StickyFooter from './layouts/sticky-footer/Details';
 import StickyHeader from './layouts/sticky-header/Details';
 import Switch from './layouts/switch/Details';
+import Tab from './layouts/tab/Details';
 
 const App = () => {
     return (
@@ -60,6 +61,7 @@ const App = () => {
                 <Route exact={true} path='/sticky-footer'><StickyFooter /></Route>
                 <Route exact={true} path='/sticky-header'><StickyHeader /></Route>
                 <Route exact={true} path='/switch'><Switch /></Route>
+                <Route exact={true} path='/tab'><Tab /></Route>
             </RouteSwitch>
         </Router>
     );

client/Home.jsx

@@ -27,6 +27,7 @@ import StepperInputCover from './layouts/stepper-input/Cover';
 import StickyFooterCover from './layouts/sticky-footer/Cover';
 import StickyHeaderCover from './layouts/sticky-header/Cover';
 import SwitchCover from './layouts/switch/Cover';
+import TabCover from './layouts/tab/Cover';
 import Layout from './Layout';
 import useDocumentTitle from './hooks/useDocumentTitle';
 
@@ -234,6 +235,12 @@ const Home = () => {
                                 <h4 className="f5 mv0 pt3">Switch</h4>
                             </Link>
                         </div>
+                        <div className="pa1 w-20">
+                            <Link to="/tab" className="link flex flex-column items-center justify-center tc hover-bg-black-10 br2 pa3">
+                                <TabCover />
+                                <h4 className="f5 mv0 pt3">Tab</h4>
+                            </Link>
+                        </div>
                     </div>
                 </div>
             </div>

client/layouts/tab/Cover.jsx

@@ -0,0 +1,20 @@
+import React from 'react';
+
+import Circle from '../../placeholders/Circle';
+import Frame from '../../placeholders/Frame';
+
+const Cover = () => {
+    return (
+        <Frame>
+            <div className="h-100 flex flex-column items-center justify-center">
+                <div className="flex items-center justify-center">
+                    <div className="ph2 pv1 ba b--black-30 br2 br--top" style={{ borderBottomColor: 'transparent' }}><Circle size={8} /></div>
+                    <div className="ph2 pv1 bb b--black-30"><Circle size={8} /></div>
+                    <div className="ph2 pv1 bb b--black-30"><Circle size={8} /></div>
+                </div>
+            </div>
+        </Frame>
+    );
+};
+
+export default Cover;

client/layouts/tab/Details.jsx

@@ -0,0 +1,91 @@
+import React, { useState } from 'react';
+
+import DetailsLayout from '../../DetailsLayout';
+import BrowserFrame from '../../placeholders/BrowserFrame';
+import Rectangle from '../../placeholders/Rectangle';
+import SampleCode from '../../SampleCode';
+
+const Details = () => {
+    const [activeTab, setActiveTab] = useState(0);
+
+    const Tab = ({ tabIndex, children }) => {
+        const isActive = tabIndex === activeTab;
+        const click = () => setActiveTab(tabIndex);
+        return (
+            <div
+                className={`pointer pa3 b--black-30 ${isActive ? 'ba br2 br--top' : 'bb'}`}
+                style={{
+                    borderBottomColor: isActive ? 'transparent' : '',
+                }}
+                onClick={click}
+            >
+                {children}
+            </div>
+        );
+    };
+
+    return (
+        <DetailsLayout title="Tab">
+            <BrowserFrame
+                content={
+                    <div className="h-100 flex flex-column items-center justify-center">
+                        <div className="flex items-center justify-center">
+                            <Tab tabIndex={0}>
+                                <div className="w3">
+                                    <Rectangle height={8} />
+                                </div>
+                            </Tab>
+                            <Tab tabIndex={1}>
+                                <div className="w2">
+                                    <Rectangle height={8} />
+                                </div>
+                            </Tab>
+                            <Tab tabIndex={2}>
+                                <div className="w4">
+                                    <Rectangle height={8} />
+                                </div>
+                            </Tab>
+                        </div>
+                    </div>
+                }
+                source={
+<SampleCode
+lang="html"
+code={`
+<div style="
+    /* Content is centered */
+    align-items: center;
+    display: flex;
+    justify-content: center;
+">
+    <!-- Active tab -->
+    <div style="
+        /* Border */
+        border: 1px solid rgba(0, 0, 0, 0.3);
+        /* Hide the bottom border */
+        border-bottom-color: transparent;
+
+        /* Border radius */
+        border-top-left-radius: 2px;
+        border-top-right-radius: 2px;
+    ">
+        ...
+    </div>
+
+    <!-- Inactive tab -->
+    <div style="
+        /* Has only the bottom border */
+        border-bottom: 1px solid rgba(0, 0, 0, 0.3);
+    ">
+        ...
+    </div>
+</div>
+`}
+/>
+                }
+            />
+        </DetailsLayout>
+    );
+};
+
+export default Details;