diff --git a/index.html b/index.html
index 98fb223..12f855c 100644
--- a/index.html
+++ b/index.html
@@ -23,7 +23,7 @@
     <p>Le Mans School of AI</p>
   </div>
   <div class="w3-display-topright w3-container w3-xlarge">
-    <p><button onclick="window.location.href='https://www.meetup.com/fr-FR/le-mans-school-of-ai/';">Meetup</button>
+    <p><button onclick="window.location.href='https://www.meetup.com/fr-FR/le-mans-school-of-ai/';" class="w3-button w3-dark-grey w3-round-medium">Meetup</button>
       <button onclick="document.getElementById('agenda').style.display='block'" class="w3-button w3-dark-grey w3-round-medium">Agenda</button> 
      <button onclick="document.getElementById('mission').style.display='block'" class="w3-button w3-dark-grey w3-round-medium">Mission</button> 
      <button onclick="document.getElementById('contact').style.display='block'" class="w3-button w3-dark-grey w3-round-medium">Contact</button>