diff --git a/package-lock.json b/package-lock.json
index 42d7bfd..75eb4b4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -8,6 +8,7 @@
       "name": "2-building-components",
       "version": "0.0.0",
       "dependencies": {
+        "bootstrap": "^5.3.8",
         "react": "^19.2.6",
         "react-dom": "^19.2.6"
       },
@@ -573,6 +574,17 @@
         "url": "https://github.com/sponsors/Boshen"
       }
     },
+    "node_modules/@popperjs/core": {
+      "version": "2.11.8",
+      "resolved": "https://registry.npmjs.org/@popperjs/core/-/core-2.11.8.tgz",
+      "integrity": "sha512-P1st0aksCrn9sGZhp8GMYwBnQsbvAWsZAX44oXNNvLHGqAOcoVxmjZiohstwQ7SqKnbR47akdNi+uleWD8+g6A==",
+      "license": "MIT",
+      "peer": true,
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/popperjs"
+      }
+    },
     "node_modules/@rolldown/binding-android-arm64": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/@rolldown/binding-android-arm64/-/binding-android-arm64-1.0.2.tgz",
@@ -1231,6 +1243,25 @@
         "node": ">=6.0.0"
       }
     },
+    "node_modules/bootstrap": {
+      "version": "5.3.8",
+      "resolved": "https://registry.npmjs.org/bootstrap/-/bootstrap-5.3.8.tgz",
+      "integrity": "sha512-HP1SZDqaLDPwsNiqRqi5NcP0SSXciX2s9E+RyqJIIqGo+vJeN5AJVM98CXmW/Wux0nQ5L7jeWUdplCEf0Ee+tg==",
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/twbs"
+        },
+        {
+          "type": "opencollective",
+          "url": "https://opencollective.com/bootstrap"
+        }
+      ],
+      "license": "MIT",
+      "peerDependencies": {
+        "@popperjs/core": "^2.11.8"
+      }
+    },
     "node_modules/brace-expansion": {
       "version": "5.0.6",
       "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-5.0.6.tgz",
diff --git a/package.json b/package.json
index 6178df5..7ea7281 100644
--- a/package.json
+++ b/package.json
@@ -10,6 +10,7 @@
     "preview": "vite preview"
   },
   "dependencies": {
+    "bootstrap": "^5.3.8",
     "react": "^19.2.6",
     "react-dom": "^19.2.6"
   },
diff --git a/src/App.tsx b/src/App.tsx
index b3f4900..3ad0baa 100644
--- a/src/App.tsx
+++ b/src/App.tsx
@@ -1,7 +1,7 @@
-import Message from "./Message";
+import ListGroup from "./components/ListGroup";
 
 function App() {
-  return <div><Message/></div>;
+  return <div><ListGroup/></div>;
 }
 
 export default App;
\ No newline at end of file
diff --git a/src/components/ListGroup.tsx b/src/components/ListGroup.tsx
new file mode 100644
index 0000000..d16ddb1
--- /dev/null
+++ b/src/components/ListGroup.tsx
@@ -0,0 +1,5 @@
+function ListGroup(){
+    return <h1>List Group</h1>;
+}
+
+export default ListGroup;
\ No newline at end of file
diff --git a/src/index.css b/src/index.css
deleted file mode 100644
index 5fb3313..0000000
--- a/src/index.css
+++ /dev/null
@@ -1,111 +0,0 @@
-:root {
-  --text: #6b6375;
-  --text-h: #08060d;
-  --bg: #fff;
-  --border: #e5e4e7;
-  --code-bg: #f4f3ec;
-  --accent: #aa3bff;
-  --accent-bg: rgba(170, 59, 255, 0.1);
-  --accent-border: rgba(170, 59, 255, 0.5);
-  --social-bg: rgba(244, 243, 236, 0.5);
-  --shadow:
-    rgba(0, 0, 0, 0.1) 0 10px 15px -3px, rgba(0, 0, 0, 0.05) 0 4px 6px -2px;
-
-  --sans: system-ui, 'Segoe UI', Roboto, sans-serif;
-  --heading: system-ui, 'Segoe UI', Roboto, sans-serif;
-  --mono: ui-monospace, Consolas, monospace;
-
-  font: 18px/145% var(--sans);
-  letter-spacing: 0.18px;
-  color-scheme: light dark;
-  color: var(--text);
-  background: var(--bg);
-  font-synthesis: none;
-  text-rendering: optimizeLegibility;
-  -webkit-font-smoothing: antialiased;
-  -moz-osx-font-smoothing: grayscale;
-
-  @media (max-width: 1024px) {
-    font-size: 16px;
-  }
-}
-
-@media (prefers-color-scheme: dark) {
-  :root {
-    --text: #9ca3af;
-    --text-h: #f3f4f6;
-    --bg: #16171d;
-    --border: #2e303a;
-    --code-bg: #1f2028;
-    --accent: #c084fc;
-    --accent-bg: rgba(192, 132, 252, 0.15);
-    --accent-border: rgba(192, 132, 252, 0.5);
-    --social-bg: rgba(47, 48, 58, 0.5);
-    --shadow:
-      rgba(0, 0, 0, 0.4) 0 10px 15px -3px, rgba(0, 0, 0, 0.25) 0 4px 6px -2px;
-  }
-
-  #social .button-icon {
-    filter: invert(1) brightness(2);
-  }
-}
-
-#root {
-  width: 1126px;
-  max-width: 100%;
-  margin: 0 auto;
-  text-align: center;
-  border-inline: 1px solid var(--border);
-  min-height: 100svh;
-  display: flex;
-  flex-direction: column;
-  box-sizing: border-box;
-}
-
-body {
-  margin: 0;
-}
-
-h1,
-h2 {
-  font-family: var(--heading);
-  font-weight: 500;
-  color: var(--text-h);
-}
-
-h1 {
-  font-size: 56px;
-  letter-spacing: -1.68px;
-  margin: 32px 0;
-  @media (max-width: 1024px) {
-    font-size: 36px;
-    margin: 20px 0;
-  }
-}
-h2 {
-  font-size: 24px;
-  line-height: 118%;
-  letter-spacing: -0.24px;
-  margin: 0 0 8px;
-  @media (max-width: 1024px) {
-    font-size: 20px;
-  }
-}
-p {
-  margin: 0;
-}
-
-code,
-.counter {
-  font-family: var(--mono);
-  display: inline-flex;
-  border-radius: 4px;
-  color: var(--text-h);
-}
-
-code {
-  font-size: 15px;
-  line-height: 135%;
-  padding: 4px 8px;
-  background: var(--code-bg);
-}
diff --git a/src/main.tsx b/src/main.tsx
index bef5202..8e6ef64 100644
--- a/src/main.tsx
+++ b/src/main.tsx
@@ -1,7 +1,7 @@
 import { StrictMode } from 'react'
 import { createRoot } from 'react-dom/client'
-import './index.css'
 import App from './App.tsx'
+import 'bootstrap/dist/css/bootstrap.css'
 
 createRoot(document.getElementById('root')!).render(
   <StrictMode>