diff --git a/src/ui/fly.vue b/src/ui/fly.vue
index eaa41d5..4710b30 100644
--- a/src/ui/fly.vue
+++ b/src/ui/fly.vue
@@ -746,6 +746,8 @@ onUnmounted(() => {
 #fly-thumbnail {
     width: 35vw;
     height: 35vw;
+    max-height: 75vh;
+    max-width: 75vh;
     border: 0.1vw solid #ddd4;
 }