Update app.py

app.py

@@ -771,6 +771,21 @@ def create_likert_question(question, key, scale_type="5point"):
         """,
         unsafe_allow_html=True
     )
+    st.components.v1.html(f"""
+    <script>
+    (function() {{
+        const slider = parent.document.querySelector('[data-testid="stSlider"] [aria-valuenow="{value}"]');
+        if(slider) {{
+            slider.parentElement.style.background = `repeating-linear-gradient(
+                to right,
+                #6a0dad, #6a0dad 2px,
+                transparent 2px, transparent calc(100%/{max_value-1} - 1px),
+                #6a0dad calc(100%/{max_value-1}), #6a0dad calc(100%/{max_value-1} + 1px)
+            )`;
+        }}
+    }})();
+    </script>
+    """, height=0)
     
     return value