diff --git a/docs/script.js b/docs/script.js
index 896b23c..865467a 100644
--- a/docs/script.js
+++ b/docs/script.js
@@ -30,7 +30,19 @@ const sampleCollection = [
 <label>
   <input type="radio" class="nes-radio" name="answer" />
   <span>No</span>
-</label>`,
+</label>
+
+<div style="background-color:#212529; padding: 1rem;">
+<label>
+  <input type="radio" class="nes-radio is-dark" name="answer-dark" checked />
+  <span>Yes</span>
+</label>
+
+<label>
+  <input type="radio" class="nes-radio is-dark" name="answer-dark" />
+  <span>No</span>
+</label>
+</div>`,
   },
   {
     title: 'checkboxes',