diff --git a/app/views/layouts/_back_to_top.html.erb b/app/views/layouts/_back_to_top.html.erb
index dbcbf2e..f669e7f 100644
--- a/app/views/layouts/_back_to_top.html.erb
+++ b/app/views/layouts/_back_to_top.html.erb
@@ -1,5 +1,5 @@
 <!-- Back to top button -->
-<%= link_to "#" do %>
+<%= link_to "#", class: "opacity-80" do %>
     <button
         type="button"
         data-twe-ripple-init