Update style.scss

assets/css/style.scss

@@ -1,9 +1,14 @@
 ---
 ---
 $primary-color: #2196F3;
+$secondary-color: #f3b600;
 
 @import "{{ site.theme }}";
 
+a {
+  color: $secondary-color;
+}
+
 .page-header {
   background-color: $primary-color;
   background-image: url('/assets/images/header.png');