1 files changed, 2 insertions, 2 deletions
diff --git a/chart.py b/chart.py
index f738fb0..79f990c 100644
--- a/chart.py
+++ b/chart.py
@@ -831,8 +831,8 @@ DEFAULT_OPTIONS = Option(
         hide=False,
         baseColor=None,
         chartColor='#f5f5f5',
-        lineColor='#ffffff',
-        lineWidth=1.5,
+        lineColor='#000000',
+        lineWidth=1,
     ),
     legend=Option(
         opacity=0.8,