diff --git a/index.html b/index.html
index 63348a4..a33fa55 100644
--- a/index.html
+++ b/index.html
@@ -35,12 +35,12 @@
 
     <figure>
         <figcaption>Vidéo de présentation :</figcaption>
-        <video controls preload="metadata">
-            <source src="/videos/presentation.webm" type="video/webm">
-            <source src="/videos/presentation.mp4" type="video/mp4">
+        <video controls preload="metadata" id="media-presentation">
+            <source src="videos/presentation.webm" type="video/webm">
+            <source src="videos/presentation.mp4" type="video/mp4">
 
-            Telechargez la vidéo au format <a href="/videos/presentation.webm">WEBM</a> ou <a
-                href="/videos/presentation.mp4">MP4</a>.
+            Telechargez la vidéo au format <a href="videos/presentation.webm">WEBM</a> ou <a
+                href="videos/presentation.mp4">MP4</a>.
         </video>
     </figure>
 
diff --git a/styles/base.css b/styles/base.css
index fdb8788..b0542dc 100644
--- a/styles/base.css
+++ b/styles/base.css
@@ -105,12 +105,16 @@ section div p {
     }
 }
 
-#Head{
+#Head {
     background-color: black;
     width: 100%;
     margin-bottom: 20px;
 }
 
-footer>p{
+footer>p {
     font-size: small;
+}
+
+#media-presentation {
+    width: 100%;
 }
\ No newline at end of file