这种背景可以自由按窗口扩缩的是怎么做的？_html/css_WEB-ITnose
这种背景可以自由按窗口扩缩的是怎么做的？
回复讨论(解决方案)
CSS背景图 平铺。
只要背景图片支持平铺就OK了
然后页面的div 宽度100%;高度100%;平铺背景。
基本上结构是这么写的
<body> <!-- 页面整个背景，也就是看到的蓝色背景，平铺可延展图片 --> <div style="width:100%;height:100%"> <div style="width:1002px;margin:0 auto"> <!-- 页面主内容，就是看到的登录表单 --> </div> </div></body>
背景就是一张蓝色图片剧中
左上角 右下角 是分开的小图片 进行了定位
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