update

app.py

@@ -164,6 +164,9 @@ def update_table(period: str,
         formatter = {col: "{:.3f}" for col in filtered_data.columns if
                      filtered_data[col].dtype in ['float64', 'float32']}
 
+        def color_column(s):
+            return ['background-color: #fffdd0' if pd.notna(x) else 'default' for x in s]
+
         # color gradient
         colors = ["#63be7b", "#ffffff", "#f8696b"]
         cmap = LinearSegmentedColormap.from_list("custom_cmap", colors)
@@ -176,7 +179,7 @@ def update_table(period: str,
         styler = filtered_data.style.format(formatter).background_gradient(
             cmap=cmap,
             subset=target_color_columns
-        )
+        ).apply(color_column, subset=['Parameters Count (B)'])
 
         return styler
     else: