Change tooltip background to blue in boxplot for better visibility

app.py

@@ -236,7 +236,11 @@ def create_boxplot_task(dataframe=None, baselines=None, references=None):
         boxmode="group",
         dragmode=False,
         font=dict(family="Arial", size=10),
-        margin=dict(b=80)
+        margin=dict(b=80),
+        hoverlabel = dict(
+            bgcolor="blue",  # background color of the tooltip
+            font_color="white"  # text color in the tooltip
+        )
     )
 
     # Caption