diff --git a/js/ui/chart/docs/style.css b/js/ui/chart/docs/style.css
new file mode 100644
index 0000000..acdd3e5
--- /dev/null
+++ b/js/ui/chart/docs/style.css
@@ -0,0 +1,15 @@
+a.anchorjs-link {
+    color: rgba(65, 131, 196, 0.1);
+    font-weight: 400;
+    text-decoration: none;
+    transition: color 100ms ease-out;
+    z-index: 999;
+}
+
+a.anchorjs-link:hover {
+    color: rgba(65, 131, 196, 1);
+}
+
+sup {
+    font-size: 0.75em !important;
+}