diff --git a/templates/profile/invitations.html b/templates/profile/invitations.html
index 3d0477b..faa6f9b 100644
--- a/templates/profile/invitations.html
+++ b/templates/profile/invitations.html
@@ -147,7 +147,12 @@ async function accept_inv(inv_id) {
 {% block head %}
 {{ header.style() }}
 {{ profile_nav.style() }}
-<style>/* Base (common) styles */
+<style>
+.btn { cursor: pointer; box-shadow: 0 4px 14px -4px rgba(95,23,152,.5); transition: transform .18s, box-shadow .18s, background .18s; }
+.btn:hover { background: #6d1ba9; transform: translateY(-2px); box-shadow: 0 10px 24px -6px rgba(95,23,152,.6); }
+.btn:active { transform: translateY(0); box-shadow: 0 4px 12px -4px rgba(95,23,152,.5); }
+@media (prefers-reduced-motion: reduce) { .btn:hover, .btn:active { transform: none; } }
+/* Base (common) styles */
 .c_aq9et {
   cursor: pointer;
   transition: transform 0.1s linear, box‑shadow 0.1s linear;