Update public/index.html

public/index.html

@@ -636,8 +636,9 @@ Implementations, and Perspectives
       <!-- GitLab- und Berichte-Repositories -->
 
        <!-- GitLab Repository: Adaptive Tests Plugin -->
-       <div class="col-lg-4 col-md-6 portfolio-item isotope-item filter-repo">
-           
+       <div class="col-lg-12  portfolio-item isotope-item filter-repo">
+          <div class="publication-box"> 
+
               <!-- Spalte 1: GitLab-Repos -->
               <div class="col-12 col-md-6">
                 <div class="repo-group-header"><i class="bi bi-git"></i> GitLab</div>
@@ -680,6 +681,7 @@ Implementations, and Perspectives
                 </a>
               </div>
           </div>
+       </div>