科技背景图片简约
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科技背景图片壁纸
```html 科技背景图片 body { backgroundimage: url('https://cdn.pixabay.com/photo/2015/09/05/21/56/digital925668_960_720.jpg'); backgroundsize: cover; backgroundposition: center; height: 100vh; margi...
```html 科技背景图片 body { backgroundimage: url('https://cdn.pixabay.com/photo/2015/09/05/21/56/digital925668_960_720.jpg'); backgroundsize: cover; backgroundposition: center; height: 100vh; margi...