微信小程序背景图片

/**app.wxss**/
.container {
  position: fixed;
  background-size: 100% 100%;
  height: 100%;
  width: 100%;
  background-image: url(https://gimg2.baidu.com/image_search/src=http%3A%2F%2Fimg.zcool.cn%2Fcommunity%2F0169895c6faf3fa801203d2258d4cd.gif&refer=http%3A%2F%2Fimg.zcool.cn&app=2002&size=f9999,10000&q=a80&n=0&g=0n&fmt=auto?sec=1664939894&t=8a3b86bb0855a39847e922db7220faae);
}