--- a/src/pyams_skin/resources/js/ext/tinymce/dev/skins/lightgray/ButtonGroup.less	Sun Jul 19 02:02:20 2020 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,27 +0,0 @@
-// ButtonGroup
-
-.@{prefix}-btn-group .@{prefix}-btn {
-	border-width: 1px 0 1px 0;
-	margin: 0;
-	.border-radius(0);
-}
-
-.@{prefix}-btn-group .@{prefix}-first {
-	border-left: 1px solid mix(rgb(red(@btn-border-left), green(@btn-border-left), blue(@btn-border-left)), @panel-bg, 30%);
-	border-left: 1px solid @btn-border-left;
-	.border-radius(3px 0 0 3px);
-}
-
-.@{prefix}-btn-group .@{prefix}-last {
-	border-right: 1px solid mix(rgb(red(@btn-border-right), green(@btn-border-right), blue(@btn-border-right)), @panel-bg, 30%);
-	border-right: 1px solid @btn-border-right;
-	.border-radius(0 3px 3px 0);
-}
-
-.@{prefix}-btn-group .@{prefix}-first.@{prefix}-last {
-	.border-radius(3px);
-}
-
-.@{prefix}-btn-group .@{prefix}-btn.@{prefix}-flow-layout-item {
-	margin: 0;
-}