@include b(book){
  @include m(multi){
    @include flex()     
  }
  @include e(coverbox){
    position: relative;   
  }
  @include e(cover){
    @include book-cover($width: false);
    transition: .6s;
    // &[lazy=loaded]{
    //   opacity: 1;
    // }
    // &[lazy=loading]{
    //   opacity: 0;
    // }
  }
  @include e(text){
    @include m(multi){
      box-sizing: border-box;
      padding-left: .4rem;
      position: relative;
    }
    @include m(normal){
      color: $--font-color-light;
      margin-top: .12rem;
      text-align: center;
      @include single-line();
      height: 1.5em;
    }
  }
}