wish of those help odoo one2many fields will not respond to the css added .As odoo will load its own css for one2many or tree view. we need to override the base css class in our custom css file in order to change it or update it. here is the example css to update the list button and notebook .
create and open record in inherited tree view is not working in odoo
By : Metalhead
Date : March 29 2020, 07:55 AM
I wish this helpful for you That is because the Tree view don't support that by default you need to add attribute editable="top" but pay attention to this because it affect the tree view in all action and when you click on the record next time it will not open it in the form view, but instead it will start editing the record in the tree view so you have two option: 1- open the record in two view Tree,Form so you can open the record in The form and edit them.