diff --git a/client/constants/Pattern.ts b/client/constants/Pattern.ts
index 1efff21..485ea8f 100644
--- a/client/constants/Pattern.ts
+++ b/client/constants/Pattern.ts
@@ -24,6 +24,7 @@ enum Pattern {
     FeatureComparison = 'Feature comparison',
     FeatureList = 'Feature list',
     FixedAtCorner = 'Fixed at corner',
+    FixedAtSide = 'Fixed at side',
     FloatingLabel = 'Floating label',
     FullScreenMenu = 'Full screen menu',
     HolyGrail = 'Holy grail',
diff --git a/client/layouts/Footer.tsx b/client/layouts/Footer.tsx
index 2af6525..250a83c 100644
--- a/client/layouts/Footer.tsx
+++ b/client/layouts/Footer.tsx
@@ -150,6 +150,17 @@ const Footer: React.FC<{}> = () => {
                                 </a>
                                 <div>;</div>
                             </li>
+                            <li style={{ alignItems: 'center', display: 'flex' }}>
+                                <div>dev.to:</div>
+                                <a
+                                    href="https://dev.to/phuocng"
+                                    style={{ marginLeft: 'auto', textDecoration: 'none' }}
+                                    target="_blank"
+                                >
+                                    @phuocng
+                                </a>
+                                <div>;</div>
+                            </li>
                             <li style={{ alignItems: 'center', display: 'flex' }}>
                                 <div>email:</div>
                                 <a
diff --git a/client/pages/ExplorePage.tsx b/client/pages/ExplorePage.tsx
index 4861789..01414d5 100644
--- a/client/pages/ExplorePage.tsx
+++ b/client/pages/ExplorePage.tsx
@@ -112,6 +112,7 @@ const ExplorePage = () => {
 
                     <div style={{ display: 'flex', flexWrap: 'wrap', justifyContent: 'center', padding: '32px' }}>
                         <CoverCard pattern={Pattern.ButtonWithIcon} />
+                        <CoverCard pattern={Pattern.Chip} />
                         <CoverCard pattern={Pattern.CustomCheckboxButton} />
                         <CoverCard pattern={Pattern.CustomRadioButton} />
                         <CoverCard pattern={Pattern.FloatingLabel} />
@@ -139,7 +140,6 @@ const ExplorePage = () => {
                         <CoverCard pattern={Pattern.Badge} />
                         <CoverCard pattern={Pattern.Card} />
                         <CoverCard pattern={Pattern.Centering} />
-                        <CoverCard pattern={Pattern.Chip} />
                         <CoverCard pattern={Pattern.CloseButton} />
                         <CoverCard pattern={Pattern.CookieBanner} />
                         <CoverCard pattern={Pattern.CornerRibbon} />
@@ -150,6 +150,7 @@ const ExplorePage = () => {
                         <CoverCard pattern={Pattern.FeatureComparison} />
                         <CoverCard pattern={Pattern.FeatureList} />
                         <CoverCard pattern={Pattern.FixedAtCorner} />
+                        <CoverCard pattern={Pattern.FixedAtSide} />
                         <CoverCard pattern={Pattern.KeyboardShortcut} />
                         <CoverCard pattern={Pattern.InitialAvatar} />
                         <CoverCard pattern={Pattern.MediaObject} />
diff --git a/client/patterns/fixed-at-corner/Details.tsx b/client/patterns/fixed-at-corner/Details.tsx
index 2e3cb17..4517860 100644
--- a/client/patterns/fixed-at-corner/Details.tsx
+++ b/client/patterns/fixed-at-corner/Details.tsx
@@ -70,7 +70,7 @@ const Details: React.FC<{}> = () => {
 `}
                 />
             </div>
-            <RelatedPatterns patterns={[Pattern.CookieBanner, Pattern.CornerRibbon]} />
+            <RelatedPatterns patterns={[Pattern.CookieBanner, Pattern.CornerRibbon, Pattern.FixedAtSide]} />
         </DetailsLayout>
     );
 };
diff --git a/client/patterns/fixed-at-side/Cover.tsx b/client/patterns/fixed-at-side/Cover.tsx
new file mode 100644
index 0000000..7377c5e
--- /dev/null
+++ b/client/patterns/fixed-at-side/Cover.tsx
@@ -0,0 +1,31 @@
+import React from 'react';
+
+import Frame from '../../placeholders/Frame';
+
+const Cover: React.FC<{}> = () => {
+    return (
+        <Frame>
+            <div
+                style={{
+                    height: '100%',
+                    position: 'relative',
+                    width: '100%',
+                }}
+            >
+                <div
+                    style={{
+                        backgroundColor: 'rgba(0, 0, 0, 0.3)',
+                        height: '40%',
+                        position: 'absolute',
+                        right: 0,
+                        top: '50%',
+                        transform: 'translate(0, -50%)',
+                        width: '16px',
+                    }}
+                />
+            </div>
+        </Frame>
+    );
+};
+
+export default Cover;
diff --git a/client/patterns/fixed-at-side/Details.tsx b/client/patterns/fixed-at-side/Details.tsx
new file mode 100644
index 0000000..b0ffaff
--- /dev/null
+++ b/client/patterns/fixed-at-side/Details.tsx
@@ -0,0 +1,255 @@
+import React from 'react';
+
+import Heading from '../../components/Heading';
+import RelatedPatterns from '../../components/RelatedPatterns';
+import Pattern from '../../constants/Pattern';
+import DetailsLayout from '../../layouts/DetailsLayout';
+import BrowserFrame from '../../placeholders/BrowserFrame';
+
+const Details: React.FC<{}> = () => {
+    return (
+        <DetailsLayout title="Fixed at side">
+            <div style={{ padding: '64px 32px' }}>
+                <BrowserFrame
+                    content={(
+                        <div
+                            style={{
+                                height: '100%',
+                                position: 'relative',
+                                width: '100%',
+                            }}
+                        >
+                            <div
+                                style={{
+                                    backgroundColor: 'rgba(0, 0, 0, 0.3)',
+                                    height: '200px',
+                                    position: 'absolute',
+                                    right: 0,
+                                    top: '50%',
+                                    transform: 'translate(0, -50%)',
+                                    width: '32px',
+                                }}
+                            />
+                        </div>
+                    )}
+                    source={`
+<!-- Fixed at the middle of side -->
+<div style="
+    right: 0;
+    position: fixed;
+    top: 50%;
+    transform: translate(0px, -50%);
+">
+    ...
+</div>
+`}
+                />
+            </div>
+
+            <section>
+                <Heading title="Use cases" />
+
+                <div style={{ padding: '48px' }}>
+                    <div
+                        style={{
+                            alignItems: 'center',
+                            border: '1px solid rgba(0, 0, 0, 0.3)',
+                            display: 'flex',
+                            flex: 1,
+                            height: '500px',
+                            justifyContent: 'center',
+                            marginBottom: '32px',
+                            position: 'relative',
+                        }}
+                    >
+                        <p>A Feedback button</p>
+                        <div
+                            style={{
+                                WebkitWritingMode: 'vertical-lr',
+                                alignItems: 'center',
+                                backgroundColor: 'rgba(0, 0, 0, 0.3)',
+                                display: 'flex',
+                                justifyContent: 'center',
+                                padding: '8px',
+                                position: 'absolute',
+                                right: 0,
+                                top: '50%',
+                                transform: 'translate(0, -50%)',
+                                writingMode: 'vertical-lr',
+                            }}
+                        >
+                            Feedback
+                        </div>
+                    </div>
+
+                    <div
+                        style={{
+                            alignItems: 'center',
+                            border: '1px solid rgba(0, 0, 0, 0.3)',
+                            display: 'flex',
+                            flex: 1,
+                            height: '500px',
+                            justifyContent: 'center',
+                            marginBottom: '32px',
+                            position: 'relative',
+                        }}
+                    >
+                        <p>Navgiate between full page sections</p>
+                        <div
+                            style={{
+                                alignItems: 'center',
+                                display: 'flex',
+                                flexDirection: 'column',
+                                justifyContent: 'center',
+                                padding: '8px',
+                                position: 'absolute',
+                                right: 0,
+                                top: '50%',
+                                transform: 'translate(0, -50%)',
+                            }}
+                        >
+                            <div
+                                style={{
+                                    backgroundColor: '',
+                                    border: '1px solid rgba(0, 0, 0, 0.3)',
+                                    borderRadius: '9999px',
+                                    cursor: 'pointer',
+                                    height: '12px',
+                                    margin: '4px 0',
+                                    width: '12px',
+                                }}
+                            />
+                            <div
+                                style={{
+                                    backgroundColor: 'rgba(0, 0, 0, 0.3)',
+                                    border: 'none',
+                                    borderRadius: '9999px',
+                                    cursor: 'pointer',
+                                    height: '12px',
+                                    margin: '4px 0',
+                                    width: '12px',
+                                }}
+                            />
+                            <div
+                                style={{
+                                    backgroundColor: '',
+                                    border: '1px solid rgba(0, 0, 0, 0.3)',
+                                    borderRadius: '9999px',
+                                    cursor: 'pointer',
+                                    height: '12px',
+                                    margin: '4px 0',
+                                    width: '12px',
+                                }}
+                            />
+                            <div
+                                style={{
+                                    backgroundColor: '',
+                                    border: '1px solid rgba(0, 0, 0, 0.3)',
+                                    borderRadius: '9999px',
+                                    cursor: 'pointer',
+                                    height: '12px',
+                                    margin: '4px 0',
+                                    width: '12px',
+                                }}
+                            />
+                        </div>
+                    </div>
+
+                    <div
+                        style={{
+                            alignItems: 'center',
+                            border: '1px solid rgba(0, 0, 0, 0.3)',
+                            display: 'flex',
+                            flex: 1,
+                            height: '500px',
+                            justifyContent: 'center',
+                            position: 'relative',
+                        }}
+                    >
+                        <p>Social sharing toolbar</p>
+                        <div
+                            style={{
+                                alignItems: 'center',
+                                display: 'flex',
+                                flexDirection: 'column',
+                                justifyContent: 'center',
+                                padding: '8px',
+                                position: 'absolute',
+                                right: 0,
+                                top: '50%',
+                                transform: 'translate(0, -50%)',
+                            }}
+                        >
+                            <div style={{ margin: '4px 0' }}>
+                                <svg
+                                    viewBox="0 0 24 24"
+                                    style={{
+                                        fill: 'none',
+                                        height: '24',
+                                        stroke: 'rgba(0, 0, 0, 0.5)',
+                                        strokeLinecap: 'round',
+                                        strokeLinejoin: 'round',
+                                        strokeWidth: 1,
+                                        width: '24',
+                                    }}
+                                >
+                                    <path
+                                        d={`M23,6.628l-2-0.5l1-2l-2.464,0.7c-1.809-1.688-4.644-1.589-6.332,0.22c-0.78,0.836-1.21,1.938-1.204,3.08v1
+                                        c-3.539,0.73-6.634-1.2-9.5-4.5c-0.5,2.667,0,4.667,1.5,6l-3-0.5c0.405,2.069,1.362,3.7,4,4l-2.5,1c1,2,2.566,2.31,5,2.5
+                                        c-1.893,1.353-4.174,2.054-6.5,2c12.755,5.669,20-2.664,20-10V8.3L23,6.628z`}
+                                    />
+                                </svg>
+                            </div>
+                            <div style={{ margin: '4px 0' }}>
+                                <svg
+                                    viewBox="0 0 24 24"
+                                    style={{
+                                        fill: 'none',
+                                        height: '24',
+                                        stroke: 'rgba(0, 0, 0, 0.5)',
+                                        strokeLinecap: 'round',
+                                        strokeLinejoin: 'round',
+                                        strokeWidth: 1,
+                                        width: '24',
+                                    }}
+                                >
+                                    <path
+                                        d={`M12.5,23.5h-11c-0.552,0-1-0.448-1-1v-21c0-0.552,0.448-1,1-1h21c0.552,0,1,0.448,1,1v21c0,0.552-0.448,1-1,1
+                                        h-6v-9h2.559c0.254,0.002,0.469-0.186,0.5-0.438l0.375-3c0.034-0.274-0.16-0.524-0.434-0.558c-0.022-0.003-0.044-0.004-0.066-0.004
+                                        H16.5V9.185c0.001-0.931,0.755-1.684,1.686-1.685H20c0.276,0,0.5-0.224,0.5-0.5V4c0-0.276-0.224-0.5-0.5-0.5h-1.814
+                                        c-3.139,0.003-5.682,2.546-5.686,5.685V10.5H10c-0.276,0-0.5,0.224-0.5,0.5v3c0,0.276,0.224,0.5,0.5,0.5h2.5V23.5z`}
+                                    />
+                                </svg>
+                            </div>
+                            <div style={{ margin: '4px 0' }}>
+                                <svg
+                                    viewBox="0 0 24 24"
+                                    style={{
+                                        fill: 'none',
+                                        height: '24',
+                                        stroke: 'rgba(0, 0, 0, 0.5)',
+                                        strokeLinecap: 'round',
+                                        strokeLinejoin: 'round',
+                                        strokeWidth: 1,
+                                        width: '24',
+                                    }}
+                                >
+                                    <path
+                                        d={`M6.5,0.5h11c3.314,0,6,2.686,6,6v11c0,3.314-2.686,6-6,6h-11c-3.314,0-6-2.686-6-6v-11
+                                        C0.5,3.186,3.186,0.5,6.5,0.5z M12,6c3.314,0,6,2.686,6,6s-2.686,6-6,6s-6-2.686-6-6S8.686,6,12,6z
+                                        M19,3.5
+                                        c0.828,0,1.5,0.672,1.5,1.5S19.828,6.5,19,6.5S17.5,5.828,17.5,5S18.172,3.5,19,3.5z`}
+                                    />
+                                </svg>
+                            </div>
+                        </div>
+                    </div>
+                </div>
+            </section>
+
+            <RelatedPatterns patterns={[Pattern.FixedAtCorner]} />
+        </DetailsLayout>
+    );
+};
+
+export default Details;
diff --git a/client/placeholders/BrowserFrame.tsx b/client/placeholders/BrowserFrame.tsx
index 1f85c28..4447470 100644
--- a/client/placeholders/BrowserFrame.tsx
+++ b/client/placeholders/BrowserFrame.tsx
@@ -4,7 +4,7 @@ import SampleCode from '../components/SampleCode';
 
 interface BrowserFrameProps {
     content: React.ReactNode;
-    source: string;
+    source?: string;
 }
 
 const BrowserFrame: React.FC<BrowserFrameProps> = ({ content, source }) => {
@@ -55,21 +55,23 @@ const BrowserFrame: React.FC<BrowserFrameProps> = ({ content, source }) => {
                         width: '16px',
                     }}
                 />
-                <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>
+                {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>
             <div
                 style={{
@@ -95,22 +97,24 @@ const BrowserFrame: React.FC<BrowserFrameProps> = ({ content, source }) => {
                 >
                     {content}
                 </div>
-                <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>
+                {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>
         </div>
     );
diff --git a/public/sitemap.xml b/public/sitemap.xml
index 7f70f96..19af251 100644
--- a/public/sitemap.xml
+++ b/public/sitemap.xml
@@ -25,6 +25,7 @@
     <url><loc>https://csslayout.io/patterns/feature-comparison</loc></url>
     <url><loc>https://csslayout.io/patterns/feature-list</loc></url>
     <url><loc>https://csslayout.io/patterns/fixed-at-corner</loc></url>
+    <url><loc>https://csslayout.io/patterns/fixed-at-side</loc></url>
     <url><loc>https://csslayout.io/patterns/floating-label</loc></url>
     <url><loc>https://csslayout.io/patterns/full-screen-menu</loc></url>
     <url><loc>https://csslayout.io/patterns/holy-grail</loc></url>