Slider Revolution Effect WordPress

Hello,

I would like to know how to have the effect of the cut image from this theme plase :
http://preview.themeforest.net/item/lettuce-organic-food-eco-products-wordpress-theme/full_screen_preview/22577854?_ga=2.84269977.1894572336.1566900330-92266828.1566134004

(looks like this picture : http://prntscr.com/oy2q6t)

I’ve buy this theme but I can not have the same effect .

Thank you in advance.
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