diff --git a/index.html b/index.html
index f50af3b..8424364 100644
--- a/index.html
+++ b/index.html
@@ -180,7 +180,10 @@ <h3 class="center-text color-white no-margin-top thumbnail-title">Submission</h3
                             <div class="caption">
                                 <!-- Link of the submission-->
                                 <p class="color-black justify margin-bottom-button-half p-section">Submit your abstract through the following link:</p>
-                                <p class="color-black justify p-section"><a class="color-dimgray no-underline" target="_blank" alt="Link al convegno virtuale"><button class="button-round center">https://data-ethics.sciencescall.org/</button></a></p>
+                                <p class="color-black justify p-section"><a href="https://data-ethics.sciencescall.org/" target="_blank" class="button-link button-round">
+                                    https://data-ethics.sciencescall.org/
+                                </a>
+                            </p>
                             </div>
                             </div>
                     </div>