minimal autumn poster set. autumn leaves, pumpkin, apple, acorn, pear, umbrella. harvest day

art font pattern design text brand line flower yellow circle cartoon poster advertising presentation plant orange drawing leaf minimal autumn set leaves pumpkin apple acorn pear umbrella harvest day thanksgiving backgrounds atmosphere vector flat simple geometric fall background banner creative icon graphic abstract tree rain farming maple sale vegetable fruit cover nature botany season card foliage label natural october november holiday style september offer forest eco borde