The image must be of <b style="-webkit-tap-highlight-color: transparent; background-color: #fdfcff; box-sizing: border-box; color: #08102b; font-family: "Google Sans Text", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji"; font-size: 16px;"> 16:9</b>  ratio with a minimum width of <b style="-webkit-tap-highlight-color: transparent; background-color: #fdfcff; box-sizing: border-box; color: #08102b; font-family: "Google Sans Text", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji"; font-size: 16px;"> 1280px</b> , i.e. <b style="-webkit-tap-highlight-color: transparent; background-color: #fdfcff; box-sizing: border-box; color: #08102b; font-family: "Google Sans Text", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji"; font-size: 16px;"> 1280px*720px</b> , <b style="-webkit-tap-highlight-color: transparent; background-color: #fdfcff; box-sizing: border-box; color: #08102b; font-family: "Google Sans Text", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji"; font-size: 16px;"> 1920px*1080px</b> , etc.