diff --git a/plugin/tour/intro.js/introjs-nassim.css b/plugin/tour/intro.js/introjs-nassim.css
index 2045b78ed2..4a3aea3172 100644
--- a/plugin/tour/intro.js/introjs-nassim.css
+++ b/plugin/tour/intro.js/introjs-nassim.css
@@ -160,7 +160,7 @@
   background: transparent;
   text-decoration: none;
   font: 11px/normal sans-serif;
-  color: ##2980b9 !important;
+  color: #2980b9 !important;
   white-space: nowrap;
   cursor: pointer;
   outline: none !important;