Update app.py

app.py

@@ -6,7 +6,7 @@ def add_sticky_header_css():
     <style>
         /* Make Streamlit's toolbar sticky */
         [data-testid="stToolbar"] {
-            position: fixed;
+            position: sticky;
             top: 0;
             right: 0;
             z-index: 1000;
@@ -20,11 +20,22 @@ def add_sticky_header_css():
             bottom: 0;
             right: 0;
             z-index: 1000;
-            background-color: #90EE90;
+            background-color: yellow; /* #90EE90 */
             padding: 5px;
             border-top: 1px solid #f0f0f0;
             width: 100%;
         }
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         /* Add padding to main content to prevent overlap with fixed header */
         .main .block-container {