Teaser Style 1 - teaser_image_banner.phtml
with or without text
Button: secondary invert

Teaser Style 2 - xxx.phtml
with or without text
Button: secondary invert

Teaser Style 3 - teaser_productimage_background.phtml
with or without text
Button: secondary invert

Teaser Style 4 - teaser_buddy_image_background.phtml
with or without text
Button: secondary, primary

Teaser Style 5 - teaser_image_background_white.phtml
Teaser text is ignored
Button EMPTY label, title, url