diff --git a/bda/static/css/bda.css b/bda/static/css/bda.css
index 767bec4b..7f2c1d9a 100644
--- a/bda/static/css/bda.css
+++ b/bda/static/css/bda.css
@@ -49,6 +49,10 @@ td {
 
 /** JQuery-Confirm box **/
 
+.jconfirm .jconfirm-bg {
+    background-color: rgb(0,0,0,0.6) !important;
+}
+
 .jconfirm .jconfirm-box {
     padding:0;
     border-radius:0 !important;
diff --git a/bda/templates/bda/inscription-tirage.html b/bda/templates/bda/inscription-tirage.html
index 6c5907f3..09b74ee6 100644
--- a/bda/templates/bda/inscription-tirage.html
+++ b/bda/templates/bda/inscription-tirage.html
@@ -142,6 +142,7 @@ var django = {
                 <a target="_blank" href='https://bda.ens.fr/lequipe/charte-bda/'>https://bda.ens.fr/lequipe/charte-bda/</a>
             </div>`,
             backgroundDismiss: true,
+            opacity: 1,
             animation:'top',
             closeAnimation:'bottom',
             keyboardEnabled: true,