whimsical cute hand-drawn sea life, corals, seaweed, algae seamless borde pattern. monochrome ocean background

abstract algae baby backdrop background bold border bright bubble cartoon children coral curtain cute drawing drawn fish flat fun funky hand kid life marine mint modern monochrome nursery ocean pattern pink print repeat sea seamless seaside seaweed shape shower stationery summer textile texture trendy vector wallpaper wave whimsical white