diff --git a/theme/macarons.js b/theme/macarons.js
index c771d5e844..27c9f9a38f 100644
--- a/theme/macarons.js
+++ b/theme/macarons.js
@@ -87,7 +87,11 @@
         },
 
         tooltip: {
+            borderWidth: 0,
             backgroundColor: 'rgba(50,50,50,0.5)',
+            textStyle: {
+                color: '#FFF'
+            },
             axisPointer: {
                 type: 'line',
                 lineStyle: {