discoball icon. shining night club sphere. dance music party glitterball. mirrorball in 70s 80s retro discotheque style

disco ball mirror mirrorball discoball glitterball nightclub glitter party sphere glass dj dance music shine holiday pictogram light discotheque nightlife event fun shiny shape 80s black circle 70s vintage star white design isolated silhouette flat vector icon night simple club illustration symbol celebration retro pixel graphic globe gray