diff --git a/trac/htdocs/libcaca.css b/trac/htdocs/libcaca.css
index 7648f6e..124b38d 100644
--- a/trac/htdocs/libcaca.css
+++ b/trac/htdocs/libcaca.css
@@ -234,6 +234,9 @@ input[type="button"]:hover, input[type="submit"]:hover, input[type="reset"]:hove
     color: #fff;
 }
 .buttons input[type="button"], .buttons input[type="submit"], .buttons input[type="reset"] {
+    -moz-border-radius: 10px;
+    -webkit-border-radius: 10px;
+    border-radius: 10px;
     background: #674e4e url(bouton.png) no-repeat center top;
     color: #fff;
     border: 0;
@@ -243,6 +246,9 @@ input[type="button"]:hover, input[type="submit"]:hover, input[type="reset"]:hove
     width:148px;
 }
 .buttons input[type="button"]:hover, .buttons input[type="submit"]:hover, .buttons input[type="reset"]:hover {
+    -moz-border-radius: 10px;
+    -webkit-border-radius: 10px;
+    border-radius: 10px;
     background: #2C1F1C url(boutonhover.png) no-repeat center top;
     border: 0;
     border-bottom: 1px solid #674e4e;