Update app.py

app.py

@@ -28,6 +28,21 @@ st.markdown("""
         text-align: center;
         padding: 10px 0;
     }
+
+    /* เพิ่ม CSS สำหรับ container ของ logo */
+    .logo-container {
+        display: flex;
+        justify-content: center;
+        align-items: center;
+        padding: 1rem 0;
+    }
+
+    /* ปรับ column ให้อยู่ตรงกลาง */
+    div[data-testid="column"] {
+        display: flex;
+        flex-direction: column;
+        align-items: center;
+    }
     </style>
     """, unsafe_allow_html=True)
 
@@ -389,7 +404,9 @@ if st.session_state.username is None:
     
     with col2:
         # Display logo
-        st.image("GenExam.png", width=200)  # Assuming the image is saved as logo.png
+        st.markdown('<div class="logo-container">', unsafe_allow_html=True)
+        st.image("GenExam.png", width=200)
+        st.markdown('</div>', unsafe_allow_html=True)
         
         st.title("Login")
         username_input = st.text_input("Enter your username:")