There is a css style that I think is intended to change the display of form title but unfortunately ends up overriding the css of kanban_state buttons in some cases: For example in the task form view, the kanban_state button becomes invisible. Thi s is due to the fact that the field kanban_state is defined inside a div with oe_title class:
https://github.com/muk-it/muk_web/blob/864ea3c3f598627bdbef20b39c7988a015ebf5c5/muk_web_theme/static/src/scss/form_view.scss#L53
There is a css style that I think is intended to change the display of form title but unfortunately ends up overriding the css of kanban_state buttons in some cases: For example in the task form view, the kanban_state button becomes invisible. Thi s is due to the fact that the field kanban_state is defined inside a div with oe_title class:
Possible solution: add class
o_field_char
to the css selector so the the style applies only to fields of type char.