css如何调节img图片的亮度?
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filter: brightness(200%);
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> </head> <body> <style> .img1 { filter: brightness(200%); } </style> <img src="//repo.bfw.wiki/bfwrepo/image/5d6539613d08b.png" class="img1"> <img src="//repo.bfw.wiki/bfwrepo/image/5d6539613d08b.png" class="img2"> </body> </html>