diff --git a/app.jsx b/app.jsx
index 54030577..4335c6a2 100644
--- a/app.jsx
+++ b/app.jsx
@@ -6,7 +6,6 @@ import { P, divider } from './component/elements.jsx'
 import { Router } from './lib/router.js'
 import { Profile } from './page/profile.jsx'
 import { Home } from './page/home.jsx'
-import { Exercise } from './page/exercise.jsx'
 
 const App = () => (
   <>
@@ -14,7 +13,6 @@ const App = () => (
     <Router>
       <Profile path="/profile" />
       <Home path="*" />
-      <Exercise path="/exercise" />
     </Router>
     <footer>
       {divider}
diff --git a/component/markdown.jsx b/component/markdown.jsx
new file mode 100644
index 00000000..6a8463a4
--- /dev/null
+++ b/component/markdown.jsx
@@ -0,0 +1,83 @@
+import { Span, Color, P, Div, Link } from './elements.jsx'
+import { css } from '../lib/dom.js'
+
+css(`
+    li.mli {
+      display:block;
+    }
+
+    div.warn{
+      outline:1px dashed red;
+      padding:0.8rem;
+    }
+
+`)
+
+export const MTitle = Object.fromEntries(
+  ['h1', 'h2', 'h3', 'h4', 'h5', 'h6'].map((el) => [
+    el,
+    ({ children, ...props }) =>
+      h(
+        el,
+        props,
+        <>
+          <Span fg="red">{'#'.repeat(Number(el.slice(1)))}</Span>&nbsp;
+        </>,
+        children,
+      ),
+  ]),
+)
+
+const NavLink = (props) => (
+  <li>
+    {' '}
+    - <Link {...props} />
+  </li>
+)
+
+export const MItalicWord = ({ children, color, type }) => {
+  return (
+    <P>
+      <Color.Orange>{'>'}</Color.Orange>
+      <Color.CommentLighter>*</Color.CommentLighter>
+      <Span fg={color} style={{ fontStyle: 'italic' }}>
+        {children}
+      </Span>
+      <Color.CommentLighter>*</Color.CommentLighter>
+      {type === 'ps' && <Color.Orange>{'<'}</Color.Orange>}
+    </P>
+  )
+}
+
+const Text = ({ text, link, ...props }) => {
+  const Colorize = link ? Color.CyanDarker : Color.CommentLighter
+  return <Colorize {...props}>{link ? `[${text}]` : `\`${text}\``}</Colorize>
+}
+
+export const MLi = ({ children }) => {
+  return (
+    <li>
+      <Span fg="orange"> - </Span>
+      <Text
+        text={children}
+        style={{
+          padding: '0.1rem',
+          background: 'rgba(75, 75, 75, 0.63)',
+        }}
+      />
+    </li>
+  )
+}
+
+export const MLink = ({ children, link }) => {
+  return (
+    <NavLink class="mli" href={link}>
+      <Span fg="orange"> - </Span>
+      <Text text={children} link style={{ padding: '0.1rem' }} />
+    </NavLink>
+  )
+}
+
+export const Warning = ({ children }) => {
+  return <Div class="warn">{children}</Div>
+}
diff --git a/data/fakeExercise.json b/data/fakeExercise.json
deleted file mode 100644
index 0a9f7c6e..00000000
--- a/data/fakeExercise.json
+++ /dev/null
@@ -1,6 +0,0 @@
-{
-  "name":"01 - Hello There",
-  "description":"Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nunc sit amet dolor sit amet lectus consequat condimentum. Morbi ultrices vitae nulla a mollis. Suspendisse arcu leo, finibus in accumsan ut, ultrices dictum metus. Class aptent taciti sociosqu ad litora torquent per conubia nostra, per inceptos himenaeos. Ut accumsan vitae nisi vel porttitor. Nullam hendrerit nibh a sapien sagittis dignissim. Fusce suscipit nisl vel eros volutpat venenatis. Duis nec vehicula magna. Sed varius dictum quam, ac tempus augue rhoncus ac.",
-  "instructions":["create a variable", "create a constante", "create a condition"],
-  "notions": ["Basics Programming","Loop","Iteraction"]
-}
diff --git a/markdown.css b/markdown.css
new file mode 100644
index 00000000..01fab3ee
--- /dev/null
+++ b/markdown.css
@@ -0,0 +1,37 @@
+h1.mark:before {
+  display:"inine-block";
+  color: red;
+  content:"#"
+}
+
+h2.mark:before {
+  display:"inine-block";
+  color: red;
+  content:"##"
+}
+
+
+h3.mark:before {
+  display:"inine-block";
+  color: red;
+  content:"###"
+}
+
+h4.mark:before {
+  display:"inine-block";
+  color: red;
+  content:"####"
+}
+
+
+h5.mark:before {
+  display:"inine-block";
+  color: red;
+  content:"#####"
+}
+
+h6.mark:before {
+  display:"inine-block";
+  color: red;
+  content:"######"
+}
diff --git a/page/exercise.jsx b/page/exercise.jsx
deleted file mode 100644
index 4e548efb..00000000
--- a/page/exercise.jsx
+++ /dev/null
@@ -1,134 +0,0 @@
-import { css } from '../lib/dom.js'
-import { Main, Div, P } from '../component/elements.jsx'
-import { name, description } from '../data/fakeExercise.json'
-
-css(`
-     .exercise{
-       width:100%;
-       height: auto;
-     }
-
-     .exercise>h1 {
-       font-size: 2rem;
-       font-weight:bolder;
-     }
-
-
-
-     .exercise>hr {
-       width: 100%;
-       height:2px;
-       background: grey;
-       margin-top: 5px;
-     }
-
-     .exercise p.description {
-         white-space:normal !important;
-         background: #090c12a8;
-         color: grey;
-         margin: 10px auto;
-         padding:1rem;
-         border-radius:0.3rem;
-    }
-
-    .exercise .instructions h3{
-      font-size:2rem;
-    }
-
-    .exercise .instructions ul {
-      margin-left:50px;
-    }
-
-    .exercise .instructions ul li {
-      display:block;
-      margin:7px auto;
-      font-weight:bolder;
-      font-size:1.2rem;
-    }
-
-    .exercise .instructions ul li:before {
-       content:'👉';
-       font-size: 1.5rem;
-       margin-right:10px;
-
-    }
-
-    .exercise .notions {
-      width:100%;
-      height: auto;
-      padding: 0.5rem;
-      border-radius: 0.7rem;
-      background:#110909;
-      margin-top: 18px;
-    }
-
-    .exercise .notions h1 {
-      font-size:1.7rem;
-      margin-top: -18px;
-    }
-
-    .exercise .notions h1 span {
-      color: yellow;
-      font-weight:bolder;
-      font-size: 3rem;
-      margin-right: 10px;
-    }
-
-    .exercise .notions p{
-      white-space:normal !important;
-      font-size:1.2rem;
-    }
-
-    .exercise .notions ul {
-       margin-top: 10px;
-    }
-
-    .exercise .notions ul li {
-      display:block;
-      width:0px;
-      background: grey;
-      font-size:1rem;
-      margin: 7px 0;
-      cursor:pointer;
-      font-style:oblique;
-    }
-
-    .exercise .notions ul li:hover{
-      color: skyblue;
-      font-weight:bolder;
-    }
-
-    .exercise .notions ul li:before{
-      content:'🔗';
-      font-size: 1rem;
-    }
-
-`)
-export const Exercise = () => (
-  <Main>
-    <Div class="exercise">
-      <h1>&#x270D; {name}</h1>
-      <hr />
-      <P class="description">{description}</P>
-      <Div class="instructions">
-        <h3>&#x1F4CB; Instructions </h3>
-        <ul>
-          <li>do this</li>
-          <li>do that</li>
-          <li>do more</li>
-        </ul>
-      </Div>
-      <Div class="notions">
-        <h1>
-          <span>⚠</span>Warning
-        </h1>
-        <P> to do this exercise you should know the following concepts : </P>
-        <ul>
-          <li> progession </li>
-          <li> progession </li>
-          <li> progession </li>
-        </ul>
-      </Div>
-    </Div>
-  </Main>
-)