Update app.py

app.py

@@ -9,6 +9,28 @@ import io
 from datetime import datetime
 from PIL import Image
 
+# Add some custom CSS to improve the layout
+st.markdown("""
+    <style>
+    .stImage {
+        text-align: center;
+        display: block;
+        margin-left: auto;
+        margin-right: auto;
+    }
+    
+    .stTitle {
+        text-align: center;
+        padding-bottom: 20px;
+    }
+    
+    div[data-testid="stVerticalBlock"] > div:has(div.stButton) {
+        text-align: center;
+        padding: 10px 0;
+    }
+    </style>
+    """, unsafe_allow_html=True)
+
 # Constants
 WORD_LIMIT = 8000
 DAILY_API_LIMIT = 5  # Set your desired limit per user per day
@@ -266,28 +288,6 @@ if st.session_state.username is None:
             2. After verification, click 'Enter GeneXam Application' to start using the system
             """)
 
-# Add some custom CSS to improve the layout
-st.markdown("""
-    <style>
-    .stImage {
-        text-align: center;
-        display: block;
-        margin-left: auto;
-        margin-right: auto;
-    }
-    
-    .stTitle {
-        text-align: center;
-        padding-bottom: 20px;
-    }
-    
-    div[data-testid="stVerticalBlock"] > div:has(div.stButton) {
-        text-align: center;
-        padding: 10px 0;
-    }
-    </style>
-    """, unsafe_allow_html=True)
-
 else:
     # Main application code (ส่วนที่เหลือเหมือนเดิม)
     st.title(f"Welcome to GeneXam, {st.session_state.username}! 🎓")