Update app.py

app.py

@@ -248,7 +248,7 @@ st.markdown("""
 .stButton > button {
     background-color: #0d6efd;
     color: white;
-    border-radius: 6px;
+    border-radius: 6.8px;
     padding: 0.5rem 1.25rem;
     border: none;
     font-weight: 600;