diff --git a/README.md b/README.md
index 8e8e609c6fdc93109d6cfad7a051bf76db43f275..6da08439ffab57bd6d434b04b62698cb9be15a4e 100644
--- a/README.md
+++ b/README.md
@@ -4,8 +4,8 @@
 Instructor: [Romain Vuillemot](romain.vuillemot@ec-lyon.fr)
 
 <div style="text-align: center;">
-    <img src="figures/logo-ecl.png" style="width:250px; display:inline-block; vertical-align:middle;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
-    <img src="figures/logo-emlyon.png" style="width:75px; display:inline-block; vertical-align:middle;">
+    <img src="figures/logo-ecl.png" style="width:20%; display:inline-block; vertical-align:middle;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
+    <img src="figures/logo-emlyon.png" style="width:20%; display:inline-block; vertical-align:middle;">
 </div>
 
 ## Course description