Update app.py

app.py

@@ -84,7 +84,7 @@ def create_snow_effect():
     snow_js = """
     function createSnowflake() {
         const snowflake = document.createElement('div');
-        snowflake.innerHTML = '❄';
+        snowflake.innerHTML = '💐';
         snowflake.className = 'snowflake';
         snowflake.style.left = Math.random() * 100 + 'vw';
         snowflake.style.animationDuration = Math.random() * 3 + 2 + 's';