green background. abstract gradient l backdrop , sufficient for online ads, poster, banner, social media, ebook, blog

abstract background art backdrop bright copy horizontal modern pattern vibrant watercolor banner blank brochure canvas color colorful cover design digital elegant gradient graphic green grunge insert layout media paint post poster template ppt retro social space style text texture trendy wallpaper web green christmas season festive holiday december party sale celebrations event plain empty year banner poster template layout marketing ad advertisement web online ads promo celebration anniversary fashion story promotion professional social post media company corporate insert text words