Add tab

client/layouts/tab/Cover.jsx

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+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

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+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;