_layouts/default.html in minima-rock-0.7.3 vs _layouts/default.html in minima-rock-0.8.0

@@ -15,6 +15,16 @@
 
     {%- include footer.html -%}
 
   </body>
 
+  <script>
+    const imgs = [
+      {%- for item in site.data.backgrounds -%}
+        '{{ item.name }}',
+      {%- endfor -%}
+    ];
+    const date = new Date();
+    const index = date.getDay() % imgs.length;
+    document.body.style.backgroundImage = `url('{{ site.baseurl }}${imgs[index]}')`;
+  </script>
 </html>