diff --git a/web/themes/custom/colloque2024/css/components/thumbnails/thumbnails.scss b/web/themes/custom/colloque2024/css/components/thumbnails/thumbnails.scss
index d1c51602..f158719e 100644
--- a/web/themes/custom/colloque2024/css/components/thumbnails/thumbnails.scss
+++ b/web/themes/custom/colloque2024/css/components/thumbnails/thumbnails.scss
@@ -3,6 +3,7 @@ section {
   article.thumbnails.programme {
     border: 1px solid $lightgrey;
     width: calc(100% / 4 - 0.5rem * 2);
+    overflow: hidden;
     &:hover{
       border: none;
       @include shadow;