element-ui/examples/demo-styles/infiniteScroll.scss

.infinite-list {
  height: 300px;
  padding: 0;
  margin: 0;
  list-style: none;
  overflow: auto;

  .infinite-list-item {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 50px;
    background: #e8f3fe;
    margin: 10px;
    color: lighten(#1989fa, 20%);
    & + .list-item {
      margin-top: 10px
    }
  } 
}

.infinite-list-wrapper {
  height: 300px;
  overflow: auto;
  text-align: center;

  .list{
    padding: 0;
    margin: 0;
    list-style: none;
  }
    

  .list-item{
    display: flex;
    align-items: center;
    justify-content: center;
    height: 50px;
    background: #fff6f6;
    color: #ff8484;
    & + .list-item {
      margin-top: 10px
    }
  }
}