colorful happy holidays, merry christmas greeting card with label, snowflake patterned christmas tree silhouette

abstract backdrop background blue bokeh card celebration christmas cold colorful cover december decoration decorative defocused design effect event freeze frost frosty gift glitter glow graphic greeting grey happy holiday holidays ice illustration label light merry minimalist new night patterned postcard poster season seasonal silhouette silver snow snowflake sparkling top tree vector white winter wintertime xmas year