diff --git a/src/scss/chart.scss b/src/scss/chart.scss
index 969e8da..c815cae 100644
--- a/src/scss/chart.scss
+++ b/src/scss/chart.scss
@@ -1,5 +1,6 @@
 .c3 svg {
   font: 10px sans-serif;
+  -webkit-tap-highlight-color: rgba(0,0,0,0);
 }
 .c3 path, .c3 line {
   fill: none;