Layout-Anpassungen nach BS v5 Migration (#222)

layouts/anmeldung/list.html

@@ -9,7 +9,7 @@
     </div>
     <div class="row">
       {{ range .Params.elements }}
-      <div class="col-lg-6 col-sm-6 mb-4">
+      <div class="col-lg-6 col-sm-6 mb-4 d-flex align-items-stretch">
         <div class="card rounded-0 hover-shadow border-primary">
           <div class="card-body">
             <h4 class="card-title mb-3">{{ .title }}</h4>