diff --git a/tst.html b/index.html
similarity index 95%
rename from tst.html
rename to index.html
index 11dc191..0e1ab96 100644
--- a/tst.html
+++ b/index.html
@@ -1,101 +1,101 @@
-<!DOCTYPE html>
-<html lang="en">
-<head>
-    <meta charset="UTF-8">
-    <meta name="viewport" content="width=device-width, initial-scale=1.0">
-    <title>Document</title>
-    <link rel="stylesheet" href="tst.css">
-</head>
-<body>
-<class class="header-main">
-
-
-<div class="header">
-    <img src="images/header (3).jpeg" alt="" class="img-header">
-    <div class="cover-img">  </div>
-    <nav>
- <a href="#ici" class="btn-nav firstbtn">principale</a>
- <a href="#ici" class="btn-nav">courses</a>
- <a href="#ici" class="btn-nav">resume</a>
- <a href="#ici"class="btn-nav">souces</a>
- <a href="#ici" class="btn-nav">notes</a>
-    </nav>
-</div>
-<div class="headertwo">
-
-<div class="content-logo">
-
-<h1>AYMAN EL HILALI</h1>
-
-<div class="img-logo"> <img src="images/white-logo.png" alt="" ></div>
-
-</div>
-
-</div>
-
-  <div class="main-content">
-        <h1>langues</h1>
-
-
-        <div class="langues" id="ici">
-           <div class="languex" id="ici"><a href="#">francais</a></div>
-             <div class="languex"><a href="#">arabe</a></div>
-            <div class="languex"><a href="#">anglais</a></div>
-        </div>
-  </div>  
-
-
-
- </class>
-<div id="section-cousses">
-
-    <h1> developpement de site web :</h1>
-  <div class="course">
-         <div class="cousess">
-              <img src="images/css-course (1).png" alt="">
-                  <div class="h2">
-                      <h2>ici</h2>
-                      <a href="https://www.youtube.com/watch?v=CHUbZQJBfpE&list=PLYyqC4bNbCIdES52srHE6xTiIgvgMkBWu&pp=iAQB"><button>voir</button></a>
-                 </div>
-         </div>
-         <div class="cousess">
-            <img src="images/git-course.png" alt="">
-                 <div class="h2">
-                  <h2>ici</h2>
-                  <a href="https://www.youtube.com/watch?v=CHUbZQJBfpE&list=PLYyqC4bNbCIdES52srHE6xTiIgvgMkBWu&pp=iAQB"><button>voir</button></a>
-                 </div>
-         </div>
-         <div class="cousess">
-     
-             <img src="images/html-course.png" alt="">
-               <div class="h2">
-                   <h2>ici</h2>
-                   <a href="https://www.youtube.com/watch?v=CHUbZQJBfpE&list=PLYyqC4bNbCIdES52srHE6xTiIgvgMkBWu&pp=iAQB"><button>voir</button></a>
-               </div>
-     
-     
-     
-         </div>
-    </div>
-
-</div>
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-</body>
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Document</title>
+    <link rel="stylesheet" href="tst.css">
+</head>
+<body>
+<class class="header-main">
+
+
+<div class="header">
+    <img src="images/header (3).jpeg" alt="" class="img-header">
+    <div class="cover-img">  </div>
+    <nav>
+ <a href="#ici" class="btn-nav firstbtn">principale</a>
+ <a href="#ici" class="btn-nav">courses</a>
+ <a href="#ici" class="btn-nav">resume</a>
+ <a href="#ici"class="btn-nav">souces</a>
+ <a href="#ici" class="btn-nav">notes</a>
+    </nav>
+</div>
+<div class="headertwo">
+
+<div class="content-logo">
+
+<h1>AYMAN EL HILALI</h1>
+
+<div class="img-logo"> <img src="images/white-logo.png" alt="" ></div>
+
+</div>
+
+</div>
+
+  <div class="main-content">
+        <h1>langues</h1>
+
+
+        <div class="langues" id="ici">
+           <div class="languex" id="ici"><a href="#">francais</a></div>
+             <div class="languex"><a href="#">arabe</a></div>
+            <div class="languex"><a href="#">anglais</a></div>
+        </div>
+  </div>  
+
+
+
+ </class>
+<div id="section-cousses">
+
+    <h1> developpement de site web :</h1>
+  <div class="course">
+         <div class="cousess">
+              <img src="images/css-course (1).png" alt="">
+                  <div class="h2">
+                      <h2>ici</h2>
+                      <a href="https://www.youtube.com/watch?v=CHUbZQJBfpE&list=PLYyqC4bNbCIdES52srHE6xTiIgvgMkBWu&pp=iAQB"><button>voir</button></a>
+                 </div>
+         </div>
+         <div class="cousess">
+            <img src="images/git-course.png" alt="">
+                 <div class="h2">
+                  <h2>ici</h2>
+                  <a href="https://www.youtube.com/watch?v=CHUbZQJBfpE&list=PLYyqC4bNbCIdES52srHE6xTiIgvgMkBWu&pp=iAQB"><button>voir</button></a>
+                 </div>
+         </div>
+         <div class="cousess">
+     
+             <img src="images/html-course.png" alt="">
+               <div class="h2">
+                   <h2>ici</h2>
+                   <a href="https://www.youtube.com/watch?v=CHUbZQJBfpE&list=PLYyqC4bNbCIdES52srHE6xTiIgvgMkBWu&pp=iAQB"><button>voir</button></a>
+               </div>
+     
+     
+     
+         </div>
+    </div>
+
+</div>
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+</body>
 </html>
\ No newline at end of file
