diff --git a/less/style.less b/less/style.less
index bbe3fc4..b2a9c57 100644
--- a/less/style.less
+++ b/less/style.less
@@ -54,6 +54,10 @@ a:hover, .btn-link:hover, .btn-link:active, .btn-link:focus {
 	text-decoration:none;
 }
 
+.btn {
+	border-radius: 0;
+}
+
 .alt-logins {
 	margin: 0 0 0 1em;
 	padding: 0;