.container {
  :global {
    #components-affix-demo-target .scrollable-container {
      height: 100px;
      overflow-y: scroll;
    }
    #components-affix-demo-target .background {
      padding-top: 60px;
      height: 300px;
      background-image: url("https://zos.alipayobjects.com/rmsportal/RmjwQiJorKyobvI.jpg");
    }
  }
}