diff --git a/trac/htdocs/libcaca.css b/trac/htdocs/libcaca.css
index 5f51dc9..48cc6e3 100644
--- a/trac/htdocs/libcaca.css
+++ b/trac/htdocs/libcaca.css
@@ -227,6 +227,7 @@ input[type="button"], input[type="submit"], input[type="reset"] {
     color: #fff;
     border: 1px solid #2C1F1C;
     -moz-border-radius: 4px;
+    white-space: normal;
 }
 input[type="button"]:hover, input[type="submit"]:hover, input[type="reset"]:hover {
     background: #2C1F1C;