Better responsive

_includes/home/hero.html

@@ -3,7 +3,9 @@
     <div class="position-relative" style="left: calc(50% - 11rem); width: 36.125rem; aspect-ratio: 1155 / 678; transform: translateX(-50%) rotate(30deg); background: linear-gradient(to top right, #950806, #dc3545); opacity: 0.3; clip-path: polygon(74.1% 44.1%, 100% 61.6%, 97.5% 26.9%, 85.5% 0.1%, 80.7% 2%, 72.5% 32.5%, 60.2% 62.4%, 52.4% 68.1%, 47.5% 58.3%, 45.2% 34.5%, 27.5% 76.7%, 0.1% 64.9%, 17.9% 100%, 27.6% 76.8%, 76.1% 97.7%, 74.1% 44.1%);" class="sm-left-calc-50-minus-30rem sm-width-72"></div>
   </div>
 
-  <img src="{{ '/assets/img/logo.png' | relative_url }}" alt="Lyon.rb" height="128" class="img-responsive mb-3">
+  <div class="col-md-6">
+    <img src="{{ '/assets/img/logo.png' | relative_url }}" alt="Lyon.rb" height="128" class="img-fluid mb-3">
+  </div>
 
   <p>
     Bienvenue à Lyon.rb, la communauté des <strong>développeurs Ruby</strong> à Lyon.