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HTML

              
                .bookshelf
  .book-grid
    ul
      li 
        img(src="https://images-na.ssl-images-amazon.com/images/I/51uLvJlKpNL._SX321_BO1,204,203,200_.jpg")
      li 
        img(src="https://damonza.com/wp-content/uploads/portfolio/fiction/The-prophecy_03.jpg")
      li 
        img(src="https://i.pinimg.com/564x/f7/c8/12/f7c812c9b0296cd9f119e33a06d9a256.jpg")
  .shelf-shadows
  .shelf
  
.bookshelf
  .book-grid
    ul
      li 
        img(src="https://images.penguinrandomhouse.com/cover/9781101931288")
      li 
        img(src="https://i.harperapps.com/covers/9780062698162/x510.jpg")
      li 
        img(src="https://www.canva.com/learn/wp-content/uploads/2015/03/draculabramstoker-tb-800x0.jpg")
  .shelf-shadows
  .shelf
              
            
!

CSS

              
                .bookshelf
  width: 900px
  margin: 5rem auto
  text-align: center
  position: relative

.book-grid
  z-index: 2
  position: relative
  transform: translateY(-15px)
  // bottom: 0
  // left: 0
  // width: 100%
  
  ul
    list-style: none
    padding: 0
    margin: 0
    display: grid
    grid-template-columns: repeat(3, 1fr)
    
    li
      // You can use either of these to center the images
      
      // margin: auto
      
      // Should be justify-self (x-axis), not align self (y-axis)
      justify-self: center
    
    img
      display: block
      box-shadow: 0px -5px 20px 2px rgba(black, 0.3)
      width: 200px
      height: 300px
      object-fit: cover
      
// .shelving
//   position: relative

// .shelf-shadows
//   height: 1rem
//   box-shadow: 0px -5px 3px 0px rgba(#aaa, 0.2), 0px 15px 20px 0px rgba(#aaa, 0.5), 0px 5px 5px 0px rgba(#777, 0.3)
//   z-index: 1
//   position: absolute
//   top: 0
//   left: 0
//   width: 100%
//   border-radius: 2px

// .bookshelf
//   width: 80vw
//   height: 50vh
//   margin: auto
//   position: relative
  
.shelf-shadows
  position: absolute
  bottom: 0
  left: 0
  width: 100%
  height: 1rem
  border-radius: 2px
  z-index: 1
  box-shadow: 0px -5px 3px 0px rgba(#aaa, 0.2), 0px 15px 20px 0px rgba(#aaa, 0.7), 0px 5px 5px 0px rgba(#777, 0.3)
  
  
// .shelf
//   background:
//     color: #f9f9f9
//   height: 1rem
//   box-shadow: 0px -5px 3px 0px rgba(#aaa, 0.2), 0px 15px 20px 0px rgba(#aaa, 0.5), 0px 5px 5px 0px rgba(#777, 0.3)
//   z-index: 5
//   position: absolute
//   top: 0
//   left: 0
//   width: 100%
//   border-radius: 2px

.shelf
  position: absolute
  bottom: 0
  left: 0
  width: 100%
  height: 1rem
  background:
    color: #f9f9f9
  border-radius: 2px
  z-index: 3
  // box-shadow: 0px -5px 3px 0px rgba(#aaa, 0.2), 0px 15px 20px 0px rgba(#aaa, 0.5), 0px 5px 5px 0px rgba(#777, 0.3)
  
  
              
            
!

JS

              
                
              
            
!
999px

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