CSS实现背景图片屏幕自适应，最直接的方法！！

直接上代码

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta http-equiv="X-UA-Compatible" content="ie=edge" />
    <title>Document</title>
    <style>
      * {
        padding: 0;
        margin: 0;
      }
      .bg {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: url("./big_bg.png") no-repeat;
        background-size: cover;
      }
    </style>
  </head>
  <body>
    <div class="bg"></div>
  </body>
</html>

来源：CSDN

作者：big tail

链接：https://blog.csdn.net/qq_37698249/article/details/103897287

标签

自适应