Since the rev https://github.com/odoo/odoo/commit/250e716c3a12e88acb4a199b427dc47d4ec55d5d the class `o_input` needs to be set on an input to correctly style it.
Since the rev https://github.com/odoo/odoo/commit/250e716c3a12e88acb4a199b427dc47d4ec55d5d the class `o_input` needs to be set on an input to correctly style it.