diff --git a/client/components/SampleCode.tsx b/client/components/SampleCode.tsx
index a108a8d..01835e6 100644
--- a/client/components/SampleCode.tsx
+++ b/client/components/SampleCode.tsx
@@ -3,7 +3,7 @@
  * (c) 2019 - 2020 Nguyen Huu Phuoc <https://twitter.com/nghuuphuoc>
  */
 
-import React from 'react';
+import * as React from 'react';
 
 import highlight from '../helpers/highlight';
 
@@ -18,8 +18,11 @@ const SampleCode: React.FC<SampleCodeProps> = ({ code, fullHeight = false, lang
             ? <></>
             : (
                 <pre
-                    className="hljs"
                     style={{
+                        border: 'none',
+                        borderRadius: 0,
+                        boxShadow: 'none',
+                        fontFamily: "'Source Code Pro', monospace",
                         height: fullHeight ? '100%' : 'auto',
                         lineHeight: 1.5,
                         margin: 0,
diff --git a/client/constants/ProductList.ts b/client/constants/ProductList.ts
index f30fe90..351ae48 100644
--- a/client/constants/ProductList.ts
+++ b/client/constants/ProductList.ts
@@ -25,12 +25,6 @@ const ProductList: ProductModel[] = [
         description: 'Favorite JavaScript utilities in single line of code',
         themeColor: '#000200',
     },
-    {
-        name: 'CSS Layout',
-        url: 'https://csslayout.io',
-        description: 'A collection of popular layouts and patterns made with CSS',
-        themeColor: '#e7d900',
-    },
     {
         name: 'Front-end Tips',
         url: 'https://getfrontend.tips',
diff --git a/client/helpers/randomIterms.ts b/client/helpers/randomIterms.ts
new file mode 100644
index 0000000..72d814a
--- /dev/null
+++ b/client/helpers/randomIterms.ts
@@ -0,0 +1,21 @@
+/**
+ * A collection of popular layouts and patterns made with CSS (https://csslayout.io)
+ * (c) 2019 - 2020 Nguyen Huu Phuoc <https://twitter.com/nghuuphuoc>
+ */
+
+type Tuple<T> = [number, T[]];
+
+function randomItems<T>(arr: T[], count: number): T[] {
+    const result = arr.concat().reduce(
+        (p, _, __, arr) => {
+            const [a, b] = p;
+            return (a < count)
+                    ? [a + 1, b.concat(arr.splice(Math.random() * arr.length | 0, 1))]
+                    : p;
+        },
+        [0, []] as Tuple<T>
+    );
+    return (result as Tuple<T>)[1];
+};
+
+export default randomItems;
diff --git a/client/index.css b/client/index.css
index ccfe438..6b12e69 100644
--- a/client/index.css
+++ b/client/index.css
@@ -18,8 +18,8 @@ a {
     text-decoration: none;
 }
 
-code {
-    font-family: 'Source Code Pro', monospace;
+pre[class*="language-"] {
+   
 }
 
 /* Layout */
diff --git a/client/layouts/DetailsLayout.tsx b/client/layouts/DetailsLayout.tsx
index 0075205..ac4b935 100644
--- a/client/layouts/DetailsLayout.tsx
+++ b/client/layouts/DetailsLayout.tsx
@@ -3,14 +3,14 @@
  * (c) 2019 - 2020 Nguyen Huu Phuoc <https://twitter.com/nghuuphuoc>
  */
 
-import React from 'react';
+import * as React from 'react';
 
 import Ad from '../components/Ad';
 import useDocumentTitle from '../hooks/useDocumentTitle';
 import Layout from './Layout';
 import Product from '../components/Product';
 import { ProductList } from '../constants/ProductList';
-import randomFromArray from '../helpers/randomFromArray';
+import randomItems from '../helpers/randomIterms';
 
 interface DetailsLayoutProps {
     title: string;
@@ -19,7 +19,7 @@ interface DetailsLayoutProps {
 const DetailsLayout: React.FC<DetailsLayoutProps> = ({ title, children }) => {
     useDocumentTitle(`CSS Layout ∙ ${title}`);
 
-    const product = randomFromArray(ProductList);
+    const products = randomItems(ProductList, 3);
 
     return (
         <Layout>
@@ -36,7 +36,9 @@ const DetailsLayout: React.FC<DetailsLayoutProps> = ({ title, children }) => {
                     <div className="sidebar">
                         <div className="sidebar__inner">
                             <Ad />
-                            <Product product={product} />
+                            {
+                                products.map(product => <Product key={product.name} product={product} />)
+                            }
                         </div>
                     </div>
                 </div>
diff --git a/client/placeholders/BrowserFrame.tsx b/client/placeholders/BrowserFrame.tsx
index 2fec018..af88283 100644
--- a/client/placeholders/BrowserFrame.tsx
+++ b/client/placeholders/BrowserFrame.tsx
@@ -3,9 +3,10 @@
  * (c) 2019 - 2020 Nguyen Huu Phuoc <https://twitter.com/nghuuphuoc>
  */
 
-import React, { useState } from 'react';
+import * as React from 'react';
 
 import SampleCode from '../components/SampleCode';
+import './browserFrame.css';
 
 interface BrowserFrameProps {
     content: React.ReactNode;
@@ -13,113 +14,13 @@ interface BrowserFrameProps {
 }
 
 const BrowserFrame: React.FC<BrowserFrameProps> = ({ content, source }) => {
-    const [isContentActive, setContentActive] = useState(true);
-    const flip = () => setContentActive((isActive) => !isActive);
-
     return (
-        <div
-            className='shadow-2xl'
-            style={{
-                border: '1px solid rgba(0, 0, 0, 0.2)',
-                borderRadius: '4px',
-            }}
-        >
-            <div
-                style={{
-                    alignItems: 'center',
-                    backgroundColor: 'rgba( 0, 0, 0, 0.05)',
-                    borderBottom: '1px solid rgba(0, 0, 0, 0.2)',
-                    display: 'flex',
-                    padding: '8px 16px',
-                }}
-            >
-                <div
-                    style={{
-                        backgroundColor: '#FF4136',
-                        borderRadius: '100%',
-                        height: '16px',
-                        marginRight: '4px',
-                        width: '16px',
-                    }}
-                />
-                <div
-                    style={{
-                        backgroundColor: '#FFB700',
-                        borderRadius: '100%',
-                        height: '16px',
-                        marginRight: '4px',
-                        width: '16px',
-                    }}
-                />
-                <div
-                    style={{
-                        backgroundColor: '#FF4136',
-                        borderRadius: '100%',
-                        height: '16px',
-                        marginRight: '4px',
-                        width: '16px',
-                    }}
-                />
-                {source && (
-                    <div style={{ marginLeft: 'auto' }}>
-                        <button
-                            style={{
-                                backgroundColor: '#00449E',
-                                borderColor: 'transparent',
-                                borderRadius: '4px',
-                                color: '#FFF',
-                                cursor: 'pointer',
-                                padding: '4px 8px',
-                            }}
-                            onClick={flip}
-                        >
-                            {isContentActive ? 'Source' : 'Demo'}
-                        </button>
-                    </div>
-                )}
+        <div className="demo">
+            <div className="demo__source">
+                {source && <SampleCode fullHeight={true} lang="html" code={source} />}
             </div>
-            <div
-                style={{
-                    height: '512px',
-                    position: 'relative',
-                    transform: isContentActive ? '' : 'rotateY(180deg)',
-                    transformStyle: 'preserve-3d',
-                    transition: 'transform 1s',
-                }}
-            >
-                <div
-                    style={{
-                        WebkitBackfaceVisibility: 'hidden',
-                        backfaceVisibility: 'hidden',
-                        height: '100%',
-                        left: 0,
-                        opacity: isContentActive ? 1 : 0,
-                        overflow: 'scroll',
-                        position: 'absolute',
-                        top: 0,
-                        width: '100%',
-                    }}
-                >
-                    {content}
-                </div>
-                {source && (
-                    <div
-                        style={{
-                            WebkitBackfaceVisibility: 'hidden',
-                            backfaceVisibility: 'hidden',
-                            height: '100%',
-                            left: 0,
-                            opacity: isContentActive ? 0 : 1,
-                            overflow: 'scroll',
-                            position: 'absolute',
-                            top: 0,
-                            transform: 'rotateY(180deg)',
-                            width: '100%',
-                        }}
-                    >
-                        <SampleCode fullHeight={true} lang="html" code={source} />
-                    </div>
-                )}
+            <div className="demo__live">
+                {content}
             </div>
         </div>
     );
diff --git a/client/placeholders/browserFrame.css b/client/placeholders/browserFrame.css
new file mode 100644
index 0000000..6e79e86
--- /dev/null
+++ b/client/placeholders/browserFrame.css
@@ -0,0 +1,13 @@
+/**
+ * A collection of popular layouts and patterns made with CSS (https://csslayout.io)
+ * (c) 2019 - 2020 Nguyen Huu Phuoc <https://twitter.com/nghuuphuoc>
+ */
+
+.demo {
+    border: 1px solid rgba(0, 0, 0, 0.2);
+    border-radius: 0.25rem;
+}
+.demo__source,
+.demo__live {
+    height: 32rem;
+}