Fix my-capsule-title css class -> row-title

assets/styles/app.scss

@@ -126,7 +126,7 @@ button[type=submit]{
   padding-left: 0;
 }
 
-.my-capsules-title {
+.row-title {
   text-decoration: none;
   float: left;
   color: rgba(255,255,255,.75) !important;

templates/capsule/index.html.twig

@@ -9,7 +9,7 @@
 {% block body %}
     <div class="row gx-0">
         <div class="row-title-box">
-            <h3 class="my-capsules-title">My capsules</h3>
+            <h3 class="row-title">My capsules</h3>
         </div>
     </div>
 <div class="mt-4">