diff --git a/README.md b/README.md
index 5f8a8b5..d6f064f 100644
--- a/README.md
+++ b/README.md
@@ -1,11 +1,10 @@
-<div align=left>
+<div align=center>
     <br />
-    <a href="https://github.com/altmshfkgudtjr/react-epub-viewer"><img src="https://user-images.githubusercontent.com/47492535/115000155-73a3ae80-9edd-11eb-8ae9-a19e1c012d35.png" alt="react_epub" style="zoom:50%;" /></a>
+    <a href="https://github.com/altmshfkgudtjr/react-epub-viewer"><img src="https://user-images.githubusercontent.com/47492535/115026922-02c0be80-9efe-11eb-8c0c-40379e3249d1.png" alt="react_epub" style="zoom:50%;" /></a>
     <br />
     <br />
 </div>
 
-
 # React-Epub-Viewer
 
 [![Latest Stable Version](https://img.shields.io/npm/v/react-epub-viewer.svg?style=for-the-badge)](https://www.npmjs.com/package/react-epub-viewer) [![License](https://img.shields.io/badge/license-mit-red.svg?style=for-the-badge)](https://www.npmjs.com/package/react-epub-viewer) 
diff --git a/package.json b/package.json
index cac66e9..1483cb3 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,6 @@
     "lib",
     "README.md"
   ],
-  "homepage": "https://altmshfkgudtjr.github.io/react-epub-viewer",
   "repository": {
     "type": "git",
     "url": "https://github.com/altmshfkgudtjr/react-epub-viewer"
diff --git a/public/images/logo.png b/public/images/logo.png
new file mode 100644
index 0000000..135e59c
Binary files /dev/null and b/public/images/logo.png differ
diff --git a/public/images/reactEpubIcon.png b/public/images/reactEpubIcon.png
deleted file mode 100644
index 1ba02c0..0000000
Binary files a/public/images/reactEpubIcon.png and /dev/null differ
diff --git a/src/components/footer/Item.tsx b/src/components/footer/Item.tsx
index d6583fa..cbd7237 100644
--- a/src/components/footer/Item.tsx
+++ b/src/components/footer/Item.tsx
@@ -16,8 +16,15 @@ const Container = styled.div`
   display: flex;
   align-items: center;
   justify-content: center;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+
   & > span {
     color: ${palette.gray4};
+    overflow: hidden;
+    text-overflow: ellipsis;
+    white-space: nowrap;
   }
 `;
 
diff --git a/src/components/header/Layout.tsx b/src/components/header/Layout.tsx
index f81c21e..f66a36e 100644
--- a/src/components/header/Layout.tsx
+++ b/src/components/header/Layout.tsx
@@ -9,8 +9,7 @@ const Layout = styled.div`
   align-items: center;
   justify-content: center;
   width: 100%;
-  height: 54px;
-  background-color: ${palette.white};
+  height: 64px;
   z-index: ${zIndex.header};
 `;
 
diff --git a/src/components/header/Logo.tsx b/src/components/header/Logo.tsx
index fd74471..cb902ff 100644
--- a/src/components/header/Logo.tsx
+++ b/src/components/header/Logo.tsx
@@ -2,11 +2,12 @@ import styled from 'styled-components'
 // lib
 import * as styles from 'lib/styles/styles'
 import palette from 'lib/styles/palette'
+import { mediaQuery } from 'lib/styles/media'
 
 const Logo = () => {
 	return (
 		<Wrapper href="https://github.com/altmshfkgudtjr/react-epub-viewer" target="__blank__">
-			<Img src="react-epub-viewer/images/reactEpubIcon.png" alt="Logo" />
+			<Img src="/images/logo.png" alt="Logo" />
 		</Wrapper>
 	);
 } 
@@ -18,18 +19,22 @@ const Wrapper = styled.a`
 	outline: none;
 	margin-left: 16px;
 	background-color: rgba(0,0,0,0);
-	transition: .3s ${styles.transition};
+	transition: .2s ${styles.transition};
 	border-radius: 8px;
 	padding: 4px 8px;
 	cursor: pointer;
 
+	${mediaQuery(700)} {
+		display: none;
+	}
+
 	&:focus, &:hover {
-		background-color: ${palette.blue1};
+		background-color: ${palette.blue0};
 	}
 `;
 
 const Img = styled.img`
-	height: 32px;
+	height: 44px;
 `;
 
 export default Logo
\ No newline at end of file
diff --git a/src/components/learning/SortedBtn.tsx b/src/components/learning/SortedBtn.tsx
deleted file mode 100644
index aa4dc5d..0000000
--- a/src/components/learning/SortedBtn.tsx
+++ /dev/null
@@ -1,34 +0,0 @@
-import styled from 'styled-components'
-// lib
-import * as styles from 'lib/styles/styles'
-import palette from 'lib/styles/palette'
-
-const SortedBtn = ({ text, isSelected, onClick }: Props) => {  
-  return <Btn isSelected={isSelected} onClick={onClick}>{text}</Btn>;
-}
-
-const Btn = styled.button<{isSelected: boolean}>`
-  height: 20px;
-  line-height: 20px;
-  font-size: 14px;
-  cursor: pointer;
-  text-align: center;
-  margin-left: 16px;
-  color: ${({isSelected}) => isSelected 
-    ? palette.blue3
-    : palette.gray4
-  };
-  transition: .2s ${styles.transition};
-  
-  &:hover {
-    color: ${palette.blue3};
-  }
-`;
-
-interface Props {
-  text: string;
-  isSelected: boolean;
-  onClick: () => void;
-}
-
-export default SortedBtn
\ No newline at end of file
diff --git a/src/components/learning/SortedBtnWrapper.tsx b/src/components/learning/SortedBtnWrapper.tsx
deleted file mode 100644
index 23f2764..0000000
--- a/src/components/learning/SortedBtnWrapper.tsx
+++ /dev/null
@@ -1,10 +0,0 @@
-import styled from 'styled-components'
-
-const SortedBtnWrapper = styled.div`
-  display: flex;
-  align-items: center;
-  justify-content: flex-end;
-  padding: 0 24px 24px 24px;
-`;
-
-export default SortedBtnWrapper
\ No newline at end of file
diff --git a/src/components/nav/NavItem.tsx b/src/components/nav/NavItem.tsx
index ed00999..632b7ac 100644
--- a/src/components/nav/NavItem.tsx
+++ b/src/components/nav/NavItem.tsx
@@ -33,6 +33,10 @@ const Content = styled.button`
       margin-left: 12px;
     }
   }
+
+  &:last-child {
+    margin-bottom: 32px;
+  }
 `;
 
 interface Props {
diff --git a/src/components/learning/Layout.tsx b/src/components/note/Layout.tsx
similarity index 100%
rename from src/components/learning/Layout.tsx
rename to src/components/note/Layout.tsx
diff --git a/src/components/learning/highlight/PageNum.tsx b/src/components/note/highlight/PageNum.tsx
similarity index 100%
rename from src/components/learning/highlight/PageNum.tsx
rename to src/components/note/highlight/PageNum.tsx
diff --git a/src/components/learning/highlight/Post.tsx b/src/components/note/highlight/Post.tsx
similarity index 100%
rename from src/components/learning/highlight/Post.tsx
rename to src/components/note/highlight/Post.tsx
diff --git a/src/components/learning/highlight/Title.tsx b/src/components/note/highlight/Title.tsx
similarity index 100%
rename from src/components/learning/highlight/Title.tsx
rename to src/components/note/highlight/Title.tsx
diff --git a/src/components/learning/highlight/Wrapper.tsx b/src/components/note/highlight/Wrapper.tsx
similarity index 100%
rename from src/components/learning/highlight/Wrapper.tsx
rename to src/components/note/highlight/Wrapper.tsx
diff --git a/src/components/header/ControlIconBtn.tsx b/src/components/option/ControlIconBtn.tsx
similarity index 100%
rename from src/components/header/ControlIconBtn.tsx
rename to src/components/option/ControlIconBtn.tsx
diff --git a/src/components/option/ControlIconBtnWrapper.tsx b/src/components/option/ControlIconBtnWrapper.tsx
new file mode 100644
index 0000000..b642f7c
--- /dev/null
+++ b/src/components/option/ControlIconBtnWrapper.tsx
@@ -0,0 +1,29 @@
+import styled from 'styled-components'
+// components
+import OptionWrapper from 'components/option/OptionWrapper'
+import OptionTitle from 'components/option/OptionTitle'
+
+const ControlIconBtnWrapper = ({ title, children }: Props) => {
+	return (
+		<OptionWrapper>
+			<OptionTitle>{title}</OptionTitle>
+			<BtnWrapper>
+				{children}
+			</BtnWrapper>
+		</OptionWrapper>
+	);
+}
+
+const BtnWrapper = styled.div`
+	display: flex;
+	align-items: center;
+	justify-content: space-around;
+	padding: 8px 0;
+`;
+
+interface Props {
+	title: string;
+	children: any[]
+}
+
+export default ControlIconBtnWrapper
\ No newline at end of file
diff --git a/src/components/sideMenu/Wrapper.tsx b/src/components/sideMenu/Wrapper.tsx
index 29acca3..f230cee 100644
--- a/src/components/sideMenu/Wrapper.tsx
+++ b/src/components/sideMenu/Wrapper.tsx
@@ -24,6 +24,7 @@ const Container = styled.div`
   flex-direction: column;
   position: fixed;
   width: 340px;
+  max-width: 95vw;
   height: 100vh;
   top: 0;
   right: 0;
@@ -33,9 +34,9 @@ const Container = styled.div`
   border-radius: 16px 0 0 16px;
   transform: ${({ show }: { show: boolean }) => show 
     ? `translateX(0px) scale(1)`
-    : `translateX(420px) scale(.8)`
+    : `translateX(420px) scale(.9)`
   };
-  transition: .3s ${styles.transition};
+  transition: .4s ${styles.transition};
   overflow-y: auto;
   ${styles.scrollbar()};
 `;
@@ -46,7 +47,7 @@ const Header = styled.div`
   display: flex;
   align-items: center;
   justify-content: space-between;
-  padding-top: 30px;
+  padding-top: 4px;
 
   & > span {
     padding-left: 24px;
diff --git a/src/containers/Header.tsx b/src/containers/Header.tsx
index 7b6f224..ef43c63 100644
--- a/src/containers/Header.tsx
+++ b/src/containers/Header.tsx
@@ -1,109 +1,24 @@
-import { useState } from 'react'
 // components
 import Wrapper from 'components/header/Wrapper'
 import Layout, { AutoLayout } from 'components/header/Layout'
 import Logo from 'components/header/Logo'
 import ControlBtn from 'components/header/ControlBtn'
-import ControlIconBtn from 'components/header/ControlIconBtn'
-import VerticalLine from 'components/header/VerticalLine'
-// types
-import { BookOption } from 'types/book'
 
-
-const Header = ({ 
-  title, 
-  bookOption, 
+const Header = ({
   onNavToggle, 
   onOptionToggle, 
-  onLearningToggle,
-  onBookOptionChange
+  onLearningToggle
 }: Props) => {
-  const [isScrollHorizontal, setIsScrollHorizontal] = useState<boolean>(true);
-  const [viewType, setViewType] = useState<ViewType>({
-    active: true,
-    spread: true
-  });
-
-
-  /** 
-   * Select view direction
-   * @param type Direction
-   */
-  const onClickDirection = (type: "Horizontal" | "Vertical") => {
-    if (type === "Horizontal") {
-      setIsScrollHorizontal(true);
-      setViewType({ ...viewType, active: true });
-      onBookOptionChange({
-        ...bookOption,
-        flow: "paginated"
-      });
-    } else {
-      setIsScrollHorizontal(false);
-      setViewType({ ...viewType, active: false });
-      onBookOptionChange({
-        ...bookOption,
-        flow: "scrolled-doc"
-      });
-    }
-  }
-
-  /**
-   * Select isSpread
-   * @param isSpread Whether spread view 
-   */
-  const onClickViewType = (isSpread: boolean) => {
-    if (isSpread) {
-      setViewType({ ...viewType, spread: true });
-      onBookOptionChange({
-        ...bookOption,
-        spread: "auto"
-      });
-    } else {
-      setViewType({ ...viewType, spread: false });
-      onBookOptionChange({
-        ...bookOption,
-        spread: "none"
-      });
-    }
-  }
-
-
   return (
     <Wrapper>
       <Layout>
         <AutoLayout>
+          <Logo />
           <div>
-            <Logo />
             <ControlBtn message="Contents" onClick={onNavToggle} />
             <ControlBtn message="Setting" onClick={onOptionToggle} />
             <ControlBtn message="Highlights" onClick={onLearningToggle} />
           </div>
-
-          <div>
-            <ControlIconBtn type="ScrollHorizontal"
-                            alt="Horizontal View"
-                            active={true}
-                            isSelected={isScrollHorizontal}
-                            onClick={() => onClickDirection("Horizontal")} />
-            <ControlIconBtn type="ScrollVertical" 
-                            alt="Vertical View"
-                            active={true}
-                            isSelected={!isScrollHorizontal}
-                            onClick={() => onClickDirection("Vertical")} />
-
-            <VerticalLine />
-
-            <ControlIconBtn type="BookOpen" 
-                            alt="Two Page View"
-                            active={viewType.active}
-                            isSelected={viewType.spread}
-                            onClick={() => onClickViewType(true)} />
-            <ControlIconBtn type="BookClose" 
-                            alt="One Page View"
-                            active={viewType.active}
-                            isSelected={!viewType.spread}
-                            onClick={() => onClickViewType(false)} />
-          </div>
         </AutoLayout>
       </Layout>
     </Wrapper>
@@ -111,17 +26,9 @@ const Header = ({
 }
 
 interface Props {
-  title: string;
-  bookOption: BookOption;
   onNavToggle: (value?: boolean) => void;
   onOptionToggle: (value?: boolean) => void;
   onLearningToggle: (value?: boolean) => void;
-  onBookOptionChange: (bookOption: BookOption) => void;
-}
-
-type ViewType = {
-  active: boolean,
-  spread: boolean
 }
 
 export default Header
\ No newline at end of file
diff --git a/src/containers/Reader.tsx b/src/containers/Reader.tsx
index a0cf92a..a10a621 100644
--- a/src/containers/Reader.tsx
+++ b/src/containers/Reader.tsx
@@ -32,7 +32,6 @@ import Toc from 'types/toc'
 
 const Reader = ({ url, loadingView }: Props) => {
   const dispatch = useDispatch();
-  const book = useSelector<RootState, Book>(state => state.book.book);	
 	const currentLocation = useSelector<RootState, Page>(state => state.book.currentLocation);
   
 	const viewerRef = useRef<ViewerRef | null>(null);
@@ -138,12 +137,9 @@ const Reader = ({ url, loadingView }: Props) => {
   return (<>
     <ViewerWrapper>
       <Header 
-				title={book.title}
-				bookOption={bookOption}
 				onNavToggle={onNavToggle}
 				onOptionToggle={onOptionToggle}
 				onLearningToggle={onLearningToggle}
-				onBookOptionChange={onBookOptionChange}
 			/>
 
       <Viewer 
@@ -177,10 +173,12 @@ const Reader = ({ url, loadingView }: Props) => {
     <Option 
 			control={optionControl}
 			bookStyle={bookStyle}
+			bookOption={bookOption}
 			bookFlow={bookOption.flow}
 			onToggle={onOptionToggle} 
 			emitEvent={emitEvent}
 			onBookStyleChange={onBookStyleChange}
+			onBookOptionChange={onBookOptionChange}
 			ref={optionRef}
 		/>
 
diff --git a/src/containers/menu/Note.tsx b/src/containers/menu/Note.tsx
index c5bd985..cde47cb 100644
--- a/src/containers/menu/Note.tsx
+++ b/src/containers/menu/Note.tsx
@@ -4,9 +4,7 @@ import { useSelector } from 'react-redux'
 import Highlight from 'containers/menu/commons/Highlight'
 // components
 import Wrapper from 'components/sideMenu/Wrapper'
-import LearningLayout from 'components/learning/Layout'
-import SortedBtnWrapper from 'components/learning/SortedBtnWrapper'
-import SortedBtn from 'components/learning/SortedBtn'
+import LearningLayout from 'components/note/Layout'
 import MenuEmpty from 'components/sideMenu/MenuEmpty'
 // types
 import { RootState } from 'slices'
@@ -22,36 +20,20 @@ const Note = ({
   viewerRef 
 }: Props, ref: any) => {
   const highlights = useSelector<RootState, HighlightType[]>(state => state.book.highlights);
-  
-  const [sorted, setSorted] = useState<Sorted>("CART");
   const [highlightList, setHighlightList] = useState<any[]>([]);
-  
-  /** 
-   * Select sort type
-   * @param type Viewed or Created
-   */
-  const onSortedClick = (type: Sorted) => setSorted(type);
 
 
   /** Set highlight contents */
   useEffect(() => {
-    const sortedKey = sorted === "LOOK" 
-      ? "accessTime" 
-      : "createTime";
-
-    const highlightList = highlights.slice().sort(function (a, b) {
-      return new Date(b[sortedKey]).getTime() - new Date(a[sortedKey]).getTime();
-    });
-    const Items = highlightList.map(h => <Highlight key={h.key} 
-                                                    highlight={h}
-                                                    onClick={onClickHighlight} 
-                                                    emitEvent={emitEvent}
-                                                    viewerRef={viewerRef} />
+    const Items = highlights.map(h => <Highlight key={h.key} 
+                                                 highlight={h}
+                                                 onClick={onClickHighlight} 
+                                                 emitEvent={emitEvent}
+                                                 viewerRef={viewerRef} />
     );
     setHighlightList(Items); 
   }, [
     viewerRef,
-    sorted, 
     highlights,
     onClickHighlight,
     emitEvent,
@@ -65,19 +47,6 @@ const Note = ({
                                  onClose={onToggle}
                                  ref={ref} >
       <LearningLayout>
-        <SortedBtnWrapper>
-          <SortedBtn 
-            text="viewed" 
-            isSelected={sorted === "LOOK"} 
-            onClick={() => onSortedClick("LOOK")}
-          />
-          <SortedBtn 
-            text="created" 
-            isSelected={sorted === "CART"} 
-            onClick={() => onSortedClick("CART")}
-          />
-        </SortedBtnWrapper>
-
         {highlightList.length > 0
           ? highlightList
           : <MenuEmpty text="Empty highlights!" />
diff --git a/src/containers/menu/Option.tsx b/src/containers/menu/Option.tsx
index adfd58e..5cef77b 100644
--- a/src/containers/menu/Option.tsx
+++ b/src/containers/menu/Option.tsx
@@ -5,23 +5,33 @@ import Wrapper from 'components/sideMenu/Wrapper'
 import OptionLayout from 'components/option/Layout'
 import OptionDropdown from 'components/option/Dropdown'
 import OptionSlider from 'components/option/Slider'
+import ControlIconBtnWrapper from 'components/option/ControlIconBtnWrapper'
+import ControlIconBtn from 'components/option/ControlIconBtn'
 // types
 import { BookStyle, BookFontFamily, BookFlow } from 'types/book'
 import { MenuControl } from 'lib/hooks/useMenu'
+import { BookOption } from 'types/book'
 
 const Option = ({ 
   control, 
   bookStyle,
+  bookOption,
   bookFlow,
   onToggle, 
   emitEvent,
-  onBookStyleChange
+  onBookStyleChange,
+  onBookOptionChange
 }: Props, ref: any) => {
   const [fontFamily, setFontFamily] = useState<BookFontFamily>(bookStyle.fontFamily);
   const [fontSize, setFontSize] = useState<number>(bookStyle.fontSize);
   const [lineHeight, setLineHeight] = useState<number>(bookStyle.lineHeight);
   const [marginHorizontal, setMarginHorizontal] = useState<number>(bookStyle.marginHorizontal);
   const [marginVertical, setMarginVertical] = useState<number>(bookStyle.marginVertical);
+  const [isScrollHorizontal, setIsScrollHorizontal] = useState<boolean>(true);
+  const [viewType, setViewType] = useState<ViewType>({
+    active: true,
+    spread: true
+  });
 
 
   /** Change font family */
@@ -48,6 +58,48 @@ const Option = ({
     }
   }
 
+  /** 
+   * Select view direction
+   * @param type Direction
+   */
+   const onClickDirection = (type: "Horizontal" | "Vertical") => {
+    if (type === "Horizontal") {
+      setIsScrollHorizontal(true);
+      setViewType({ ...viewType, active: true });
+      onBookOptionChange({
+        ...bookOption,
+        flow: "paginated"
+      });
+    } else {
+      setIsScrollHorizontal(false);
+      setViewType({ ...viewType, active: false });
+      onBookOptionChange({
+        ...bookOption,
+        flow: "scrolled-doc"
+      });
+    }
+  }
+
+  /**
+   * Select isSpread
+   * @param isSpread Whether spread view 
+   */
+  const onClickViewType = (isSpread: boolean) => {
+    if (isSpread) {
+      setViewType({ ...viewType, spread: true });
+      onBookOptionChange({
+        ...bookOption,
+        spread: "auto"
+      });
+    } else {
+      setViewType({ ...viewType, spread: false });
+      onBookOptionChange({
+        ...bookOption,
+        spread: "none"
+      });
+    }
+  }
+
 
   /* Save userdata */
   // TODO Fix the infinite re-rendering issue, when inlcude `onBookStyleChange` to dependencies array.
@@ -83,6 +135,30 @@ const Option = ({
                                  onClose={onToggle}
                                  ref={ref}>
       <OptionLayout>
+        <ControlIconBtnWrapper title="View Direction">
+          <ControlIconBtn type="ScrollHorizontal"
+                          alt="Horizontal View"
+                          active={true}
+                          isSelected={isScrollHorizontal}
+                          onClick={() => onClickDirection("Horizontal")} />
+          <ControlIconBtn type="ScrollVertical" 
+                          alt="Vertical View"
+                          active={true}
+                          isSelected={!isScrollHorizontal}
+                          onClick={() => onClickDirection("Vertical")} />
+        </ControlIconBtnWrapper>
+        <ControlIconBtnWrapper title="View Spread">
+          <ControlIconBtn type="BookOpen" 
+                          alt="Two Page View"
+                          active={viewType.active}
+                          isSelected={viewType.spread}
+                          onClick={() => onClickViewType(true)} />
+          <ControlIconBtn type="BookClose" 
+                          alt="One Page View"
+                          active={viewType.active}
+                          isSelected={!viewType.spread}
+                          onClick={() => onClickViewType(false)} />
+        </ControlIconBtnWrapper>
         <OptionDropdown title="Font"
                         defaultValue={fontFamily}
                         valueList={["Origin", "Roboto"]}
@@ -123,10 +199,12 @@ const Option = ({
 interface Props {
   control: MenuControl;
   bookStyle: BookStyle;
+  bookOption: BookOption;
   bookFlow: BookFlow;
   onToggle: () => void;
   emitEvent: () => void;
   onBookStyleChange: (bookStyle: BookStyle) => void;
+  onBookOptionChange: (bookOption: BookOption) => void;
 }
 
 type SliderType = "FontSize" 
@@ -134,4 +212,9 @@ type SliderType = "FontSize"
   | "MarginHorizontal" 
   | "MarginVertical";
 
+type ViewType = {
+  active: boolean,
+  spread: boolean
+}
+
 export default React.forwardRef(Option)
\ No newline at end of file
diff --git a/src/containers/menu/commons/Highlight.tsx b/src/containers/menu/commons/Highlight.tsx
index 7d9ce5b..27e9f65 100644
--- a/src/containers/menu/commons/Highlight.tsx
+++ b/src/containers/menu/commons/Highlight.tsx
@@ -1,9 +1,9 @@
 import { useDispatch } from 'react-redux'
 // components
-import Wrapper from 'components/learning/highlight/Wrapper'
-import Title from 'components/learning/highlight/Title'
-import Post from 'components/learning/highlight/Post'
-import PageNum from 'components/learning/highlight/PageNum'
+import Wrapper from 'components/note/highlight/Wrapper'
+import Title from 'components/note/highlight/Title'
+import Post from 'components/note/highlight/Post'
+import PageNum from 'components/note/highlight/PageNum'
 // slices
 import { updateHighlight } from 'slices/book'
 // utils
diff --git a/src/index.tsx b/src/index.tsx
index 2fa0ce3..d9ab10d 100644
--- a/src/index.tsx
+++ b/src/index.tsx
@@ -1,6 +1,6 @@
 import ReactDOM from 'react-dom';
 import Reader from 'containers/Reader'
 
-const EPUB_URL = "react-epub-viewer/files/Alices Adventures in Wonderland.epub";
+const EPUB_URL = "/files/Alices Adventures in Wonderland.epub";
 
 ReactDOM.render(<Reader url={EPUB_URL} />,  document.getElementById('root'));
\ No newline at end of file
diff --git a/src/lib/styles/viewerLayout.ts b/src/lib/styles/viewerLayout.ts
index 37b5bcf..68cdd2c 100644
--- a/src/lib/styles/viewerLayout.ts
+++ b/src/lib/styles/viewerLayout.ts
@@ -2,9 +2,9 @@ import ViewerLayout from 'types/viewerLayout'
 
 /** Epub viewer layout size */
 const viewerLayout: ViewerLayout = {
-  MIN_VIEWER_WIDTH: 600,  
+  MIN_VIEWER_WIDTH: 300,  
   MIN_VIEWER_HEIGHT: 300,
-  VIEWER_HEADER_HEIGHT: 54,
+  VIEWER_HEADER_HEIGHT: 64,
   VIEWER_FOOTER_HEIGHT: 60,
 	VIEWER_SIDEMENU_WIDTH: 0
 }