https://bugzilla.redhat.com/show_bug.cgi?id=1382982
--- Comment #14 from fujiwara tfujiwar@redhat.com --- Created attachment 1456691 --> https://bugzilla.redhat.com/attachment.cgi?id=1456691&action=edit test-html3.html
Now I can reproduce this problem in XFCE desktop too in Fedora 28.