diff --git a/client/src/App.tsx b/client/src/App.tsx
index 710d79c..d39ae37 100644
--- a/client/src/App.tsx
+++ b/client/src/App.tsx
@@ -4,6 +4,7 @@ import { WorkSpace } from "@features/workSpace/WorkSpace";
 import { useErrorStore } from "@stores/useErrorStore";
 import { useUserInfo } from "@stores/useUserStore";
 import { useSocketStore } from "./stores/useSocketStore";
+import { BackgroundImage } from "./components/backgroundImage/BackgroundImage";
 
 const App = () => {
   // TODO 라우터, react query 설정
@@ -25,6 +26,7 @@ const App = () => {
 
   return (
     <>
+      <BackgroundImage />
       {isErrorModalOpen && <ErrorModal errorMessage={errorMessage} />}
       <WorkSpace />
     </>
diff --git a/client/src/components/backgroundImage/BackgroundImage.tsx b/client/src/components/backgroundImage/BackgroundImage.tsx
new file mode 100644
index 0000000..6b80770
--- /dev/null
+++ b/client/src/components/backgroundImage/BackgroundImage.tsx
@@ -0,0 +1,28 @@
+import backgroundPNG from "@assets/images/background.png";
+import backgroundWEBP from "@assets/images/background.webp";
+import backgroundAVIF from "@assets/images/background.avif";
+
+export const BackgroundImage = () => (
+  <picture
+    style={{
+      position: "fixed",
+      top: 0,
+      left: 0,
+      width: "100%",
+      height: "100%",
+      zIndex: -1,
+    }}
+  >
+    <source srcSet={backgroundAVIF} type="image/avif" />
+    <source srcSet={backgroundWEBP} type="image/webp" />
+    <img
+      src={backgroundPNG}
+      alt="background"
+      style={{
+        width: "100%",
+        height: "100%",
+        objectFit: "cover",
+      }}
+    />
+  </picture>
+);
diff --git a/client/src/components/sidebar/components/menuButton/MenuButton.tsx b/client/src/components/sidebar/components/menuButton/MenuButton.tsx
index 5601b70..7b38834 100644
--- a/client/src/components/sidebar/components/menuButton/MenuButton.tsx
+++ b/client/src/components/sidebar/components/menuButton/MenuButton.tsx
@@ -111,7 +111,7 @@ export const MenuButton = () => {
         onClick={handleMenuClick}
         data-onboarding="menu-button"
       >
-        <button className={menuItemWrapper}>
+        <div className={menuItemWrapper} role="button">
           <MenuIcon />
           <p className={textBox}>{name ?? "Nocta"}</p>
           {/* <div className={nameWrapper}>
@@ -122,7 +122,7 @@ export const MenuButton = () => {
               </div>
             )}
           </div> */}
-        </button>
+        </div>
         <WorkspaceSelectModal isOpen={isOpen} userName={name} onInviteClick={handleInviteModal} />
         <InviteModal
           isOpen={isInviteModalOpen}
diff --git a/client/src/features/editor/hooks/useCopyAndPaste.ts b/client/src/features/editor/hooks/useCopyAndPaste.ts
index 140c8fa..36ab6d4 100644
--- a/client/src/features/editor/hooks/useCopyAndPaste.ts
+++ b/client/src/features/editor/hooks/useCopyAndPaste.ts
@@ -183,6 +183,7 @@ export const useCopyAndPaste = ({
             }
             currentBlockIndex += 1;
           });
+          editorCRDT.LinkedList.updateAllOrderedListIndices();
         } else {
           // 텍스트를 한 글자씩 순차적으로 삽입
           text.split("").forEach((char, index) => {
diff --git a/client/src/features/workSpace/hooks/usePagesManage.ts b/client/src/features/workSpace/hooks/usePagesManage.ts
index 07e1f28..9977da5 100644
--- a/client/src/features/workSpace/hooks/usePagesManage.ts
+++ b/client/src/features/workSpace/hooks/usePagesManage.ts
@@ -10,6 +10,7 @@ import { useEffect, useState, useRef, useCallback } from "react";
 import { useSocketStore } from "@src/stores/useSocketStore";
 import { useToastStore } from "@src/stores/useToastStore";
 import { Page } from "@src/types/page";
+import { PAGE, SIDE_BAR } from "@src/constants/size";
 
 const PAGE_OFFSET = 60;
 
@@ -86,6 +87,42 @@ export const usePagesManage = (workspace: WorkSpace | null, clientId: number | n
     return Math.max(0, ...pages.map((page) => page.zIndex)) + 1;
   };
 
+  const adjustPagePosition = (page: Page) => {
+    const PADDING = 20;
+    const maxWidth = window.innerWidth - SIDE_BAR.WIDTH - PADDING * 2;
+    const maxHeight = window.innerHeight - PADDING * 2;
+
+    // 페이지가 최소 크기보다 작아지지 않도록 보장
+    const width = PAGE.WIDTH;
+    const height = PAGE.HEIGHT;
+
+    // 새로운 위치 계산
+    let newX = page.x;
+    let newY = page.y;
+
+    // 오른쪽 경계를 벗어나는 경우
+    if (newX + width > maxWidth) {
+      newX = Math.max(0, maxWidth - width);
+    }
+
+    // 왼쪽 경계를 벗어나는 경우
+    if (newX < 0) {
+      newX = 0;
+    }
+
+    // 아래쪽 경계를 벗어나는 경우
+    if (newY + height > maxHeight) {
+      newY = Math.max(0, maxHeight - height);
+    }
+
+    // 위쪽 경계를 벗어나는 경우
+    if (newY < 0) {
+      newY = 0;
+    }
+
+    return { x: newX, y: newY };
+  };
+
   const fetchPage = () => {
     const operation = {
       type: "pageCreate",
@@ -170,11 +207,25 @@ export const usePagesManage = (workspace: WorkSpace | null, clientId: number | n
 
       // 페이지를 활성화하고 표시
       setPages((prevPages) =>
-        prevPages.map((p) =>
-          p.id === pageId
-            ? { ...p, isActive: true, isVisible: true, zIndex: getZIndex() }
-            : { ...p, isActive: false },
-        ),
+        prevPages.map((p) => {
+          if (p.id === pageId) {
+            // isLoaded가 false일 때만 위치 재조정
+            if (!p.isLoaded) {
+              const adjustedPosition = adjustPagePosition(p);
+              return {
+                ...p,
+                isActive: true,
+                isVisible: true,
+                zIndex: getZIndex(),
+                x: adjustedPosition.x,
+                y: adjustedPosition.y,
+              };
+            }
+            // 이미 로드된 페이지는 위치 유지
+            return { ...p, isActive: true, isVisible: true, zIndex: getZIndex() };
+          }
+          return { ...p, isActive: false };
+        }),
       );
 
       setTimeout(() => {
diff --git a/client/src/styles/global.ts b/client/src/styles/global.ts
index 07d3397..69bed68 100644
--- a/client/src/styles/global.ts
+++ b/client/src/styles/global.ts
@@ -9,17 +9,6 @@ export const globalStyles = defineGlobalStyles({
   },
 
   "html, body": {
-    // 기본 이미지
-    backgroundImage: 'url("./assets/images/background.jpg")',
-    // WebP 지원
-    "@supports (background-image: url('./assets/images/background.webp'))": {
-      backgroundImage: 'url("./assets/images/background.webp")',
-    },
-    // AVIF 지원
-    "@supports (background-image: url('./assets/images/background.avif'))": {
-      backgroundImage: 'url("./assets/images/background.avif")',
-    },
-    backgroundSize: "cover",
     fontFamily: "Pretendard, sans-serif",
     boxSizing: "border-box",
   },