Update app.py

app.py

@@ -131,6 +131,7 @@ head_html = """
     .text-cyan-300    { color: #67e8f9 !important; }
     .text-gray-300    { color: #d1d5db !important; }
     .text-red-500     { color: #ef4444 !important; }
+    .mb-4   { margin-bottom: 1rem !important;}
 </style>
 """