diff -r de4569498304 -r 7a2d69fe8f6c src/pyams_skin/resources/less/buttons.less
--- a/src/pyams_skin/resources/less/buttons.less	Wed May 20 12:36:43 2015 +0200
+++ b/src/pyams_skin/resources/less/buttons.less	Wed May 20 12:36:59 2015 +0200
@@ -50,6 +50,9 @@
 	box-shadow: inset 0 -2px 0 rgba(0, 0, 0, .05);
 	-webkit-box-shadow: inset 0 -2px 0 rgba(0, 0, 0, .05);
 
+	.btn-toolbar & {
+		padding: 4px;
+	}
 	&:active {
 		position: relative;
 		top: 1px;