diff --git a/www/manifestations.html b/www/manifestations.html
index c27a78c..e45ab4c 100644
--- a/www/manifestations.html
+++ b/www/manifestations.html
@@ -822,7 +822,6 @@
                   >
                     <video
                       width="480"
-                      height="310"
                       poster="images/manifestations/13_Visible-invisible-2/Visible-invisible-2-poster.jpg"
                       controls
                     >
@@ -1691,7 +1690,6 @@
                     <video
                       width="480"
                       poster="images/manifestations/05_coIncidences/coIncidences-poster.jpg"
-                      height="400"
                       controls
                     >
                       <source src="video/coincidences.mp4" type="video/mp4" />
@@ -1823,7 +1821,6 @@
                   >
                     <video
                       width="480"
-                      height="390"
                       poster="images/manifestations/04_noir/noir-poster.jpg"
                       controls
                     >