diff --git a/01.courses/01.optics/03.the-nature-of-light/02.cheatsheet/cheatsheet.fr.md b/01.courses/01.optics/03.the-nature-of-light/02.cheatsheet/cheatsheet.fr.md
index ce61b0700..cae8949f6 100644
--- a/01.courses/01.optics/03.the-nature-of-light/02.cheatsheet/cheatsheet.fr.md
+++ b/01.courses/01.optics/03.the-nature-of-light/02.cheatsheet/cheatsheet.fr.md
@@ -2,9 +2,6 @@
 title: Antisèche
 slug: antiseche
 ---
-<div id="N3_FR_F" style="width:auto; height:auto; padding:0px;">
-
-
 
 # Qu'est-ce que la lumière?