1500 × 2000
Source:https://www.theknot.com/content/what-to-wear-semi-formal
400 × 400
Source:https://www.brides.com/cocktail-attire-wedding-4844364
550 × 1100
Source:https://www.linkedin.com/pulse/attending-corporate-event-check-out-dress-codes
864 × 1400
Source:https://www.dmarge.com/cocktail-dress-code-men
953 × 1024
Source:https://www.webfx.com/blog/internet/dress-code-cheat-sheet-infographic/
600 × 600
Source:https://www.thecut.com/article/cocktail-attire-for-women.html
600 × 600
Source:https://www.wish.com/product/womens-casual-ol-dress-business-party-dress-evening-cocktail-package-hip-dress-59b103e58457ae78fedbe98e
1380 × 920
Source:https://laurenmessiah.com/2014/06/style-yourself-for-a-corporate-cocktail-party/
844 × 563
Source:https://www.cosmopolitan.com/style-beauty/fashion/a39726192/cocktail-attire-for-women/
1024 × 2048
Source:https://www.esquire.com/style/mens-fashion/a45210983/cocktail-attire-for-men/