diff --git a/app/javascript/flavours/glitch/styles/components/media.scss b/app/javascript/flavours/glitch/styles/components/media.scss
index 3cb0761914..dbf0c908d1 100644
--- a/app/javascript/flavours/glitch/styles/components/media.scss
+++ b/app/javascript/flavours/glitch/styles/components/media.scss
@@ -691,3 +691,10 @@
     }
   }
 }
+
+.gifv {
+  video {
+    max-width: 100vw;
+    max-height: 80vh;
+  }
+}