Hello @agussulistiyo,
Thank you for using our theme, Please follow the step below to remove/add shape divider of Banner Section:
Go to Dashboard > Appearance > Editor > Click on Banner Section
> Click on Cover (inside header) > Click on Advanced (under layout at the right side of the page editor)
> Remove/Add “fotawpbanner-with-slantbottom” class at ADDITIONAL CSS CLASS(ES)
> Saved the page.
Please submit a ticket through our site if you have any issue.
Regards,
CozyThemes