如何设置html中的背景图片(全屏显示,且不拉伸)
1 <style>2 body{background-image:url(https://uploadbeta.com/api/pictures/random/?key=BingEverydayWallpaperPicture);
3 background-size:cover;background-attachment: fixed; 4 background-repeat:no-repeat;background-position:center } </style>
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