xxxxxxxxxx<html><head><style>img { filter: brightness(200%); /* Chrome, Safari, Opera */ filter: brightness(200%);}</style></head><body><p>使图片变亮:</p><img src="https://7n.w3cschool.cn/statics/images/course/tryitimg.gif" alt="Pineapple" width="300" height="300"><p><strong>注意：</strong> Internet Explorer 不支持 filter 属性。</p></body></html>