diff --git a/resources/css/pages/singles.css b/resources/css/pages/singles.css
index 6bd7f66..2c72a4d 100644
--- a/resources/css/pages/singles.css
+++ b/resources/css/pages/singles.css
@@ -32,3 +32,13 @@
     }
   }
 }
+
+.page--single-analyses-etudes,
+.page--single-expositions,
+.page--single-outils-pedagogiques {
+  .content-area .alignfull {
+    @media (min-width: 1024px) {
+      margin: 0 calc(-50vw + 50% - calc(33.33% - 3rem - 2px)) !important;
+    }
+  }
+}