diff --git a/css/backoffice/vendors/_c3.scss b/css/backoffice/vendors/_c3.scss
index e685a7848..339846aff 100644
--- a/css/backoffice/vendors/_c3.scss
+++ b/css/backoffice/vendors/_c3.scss
@@ -4,6 +4,7 @@
  */
 
 $ibo-vendors-c3--path--color: $ibo-color-grey-900 !default;
+$ibo-vendors-c3--arc-path--color: $ibo-color-white-100 !default;
 $ibo-vendors-c3--tooltip--background-color: $ibo-color-grey-500 !default;
 $ibo-vendors-c3--tooltip-th--background-color: $ibo-color-grey-500 !default;
 $ibo-vendors-c3--tooltip-th--color: $ibo-color-white-100 !default;
@@ -20,6 +21,9 @@ $ibo-vendors-c3--axis--fill: $ibo-color-grey-900 !default;
     stroke: $ibo-vendors-c3--path--color !important;
   }
 }
+.c3-chart-arc path:not(.c3-legend-item-tile){
+  stroke: $ibo-vendors-c3--arc-path--color !important;
+}
 .c3-axis{
   fill: $ibo-vendors-c3--axis--fill !important;
 }