Images can vary in size, if you want a full screen takeover look go for an image ratio of 16:9.
It's best to provide a mobile friendly image and desktop image but you can just supply a desktop image and in the case of video this will probably be more convenient.
The text blocks on this module can be configured several ways:
Colour can be black or white.
Text Alignment can be left, centred or right, inside the text block.
Text Block Position
While the text on this image is entered via the CMS and the title font adjusts in size based on the screen size that it's viewed on, for mockup purposes the following might be helpful:
Global Font Proxima Nova
h1 / Image Title
Body & Date Available Text
Button Text
Any image/video ratio/size can be used, however they must be the same dimensions as their row counterpart.
The text blocks on this module can be configured several ways:
Visibility can be displayed on hover only or all the time.
Colour can be black or white.
Text Alignment can be left, centred or right, inside the text block.
Text Block Position
While the text on these image and video modules is entered via the CMS and the title font adjusts in size based on the screen size that it's viewed on, for mockup purposes the following might be helpful:
Hover Text
Image & Video Size for Mockups
Please keep in mind this is just get you started. Images and videos can be whatever size you like as long as they're same dimensions or ratio as image or video on the same row.