Update app.py

app.py

@@ -11,7 +11,7 @@ zeitstempel_str = jetzt.strftime("%Y-%m-%d")
 secreturl = os.environ.get('secret_url')
 custom_css = """
 #md {
-    height: 300px;  
+    height: 450px;  
     font-size: 35px;
     background: black;
     padding: 20px;