<field name="arch" type="xml">
<form string="Account tax charts" version="7.0">
<header>
- <button icon="terp-gtk-go-back-rtl" string="Open Charts" name="account_tax_chart_open_window" type="object" />
- <button icon="gtk-cancel" special="cancel" string="Cancel" />
+ <button icon="terp-gtk-go-back-rtl" string="Open Charts" name="account_tax_chart_open_window" type="object" class="oe_form_button_active_flow"/>
</header>
<group>
<field name="period_id"/>