diff --git a/ivette/src/frama-c/plugins/eva/EvaReady/style.css b/ivette/src/frama-c/plugins/eva/EvaReady/style.css
index 35dd64ddfaa2b6cf126928a25990da4885fd9618..6a68bead536b05aed50bd41f595f50aac2750057 100644
--- a/ivette/src/frama-c/plugins/eva/EvaReady/style.css
+++ b/ivette/src/frama-c/plugins/eva/EvaReady/style.css
@@ -17,6 +17,10 @@
   text-align: center;
 }
 
+.eva-status button {
+  margin: auto;
+}
+
 .eva-status-computing {
   font-weight: bold;
 }