主页
CSS
响应式网页设计图片
tryresponsive_image_mediaq2
运行 ❯
×
更改方向
保存代码
更改主题
<!DOCTYPE html> <html> <head> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <style> /* For device width smaller than 400px: */ body { background-repeat: no-repeat; background-image: url('/demo/images/img_smallflower.jpg'); } /* For device width 400px and larger: */ @media only screen and (min-device-width: 400px) { body { background-image: url('/demo/images/img_flowers.jpg'); } } </style> </head> <body> </body> </html>