diff --git a/prive/formulaires/dateur/time_picker.css b/prive/formulaires/dateur/time_picker.css
index 04a7d4edd1cc79bcde36b7321dd1426ad06f2550..fecd8073f23c92fd9fd2cd980e102265a1097af5 100644
--- a/prive/formulaires/dateur/time_picker.css
+++ b/prive/formulaires/dateur/time_picker.css
@@ -22,6 +22,7 @@ div.time-picker li {
   height: 10px;
   font: 12px/1 Helvetica, Arial, sans-serif;
   padding: 4px 3px;
+  box-sizing:content-box;
 }
 div.time-picker li.selected {
   background: #888; /* #0063CE */