diff --git a/index_5.1.html b/index_5.1.html
index e28bef5..6ee559e 100644
--- a/index_5.1.html
+++ b/index_5.1.html
@@ -600,6 +600,7 @@
 											aria-controls="collapseAdvanced">
 											<span class="font-weight-bold text-muted">Nascondi</span>
 										</button>
+										<button class="btn btn-sm btn-outline-success bg-light ml-0"
 											type="button" id='cleanresult2' aria-expanded="false"
 											aria-controls="collapseExample">
 											<span class="text-muted">Reset</span>