Since the changes in #31990
It should be
The final css needs to change from:
.subhead .btn-group,.subhead joomla-toolbar-button { -webkit-margin-start: .75rem; margin-inline-start: .75rem;}
to
.subhead .btn-group,.subhead joomla-toolbar-button { -webkit-margin-start: .75rem; margin-inline-start: .75rem;} .subhead .btn-group > joomla-toolbar-button { -webkit-margin-start: 0rem; margin-inline-start: 0rem; }
Thanks @dgrammatiko
The final css needs to change from:
to