diff -r 318533413200 -r a1707c607eec src/pyams_skin/resources/js/ext/tinymce/dev/skins/lightgray/Iframe.less
--- a/src/pyams_skin/resources/js/ext/tinymce/dev/skins/lightgray/Iframe.less	Sun Jul 19 02:02:20 2020 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,6 +0,0 @@
-// Iframe
-
-.@{prefix}-iframe {
-	border: 0 solid @iframe-border;
-	width: 100%; height: 100%;
-}