.loadersmall {
    border: 5px solid #f3f3f3;
    -webkit-animation: spin 1s linear infinite;
    animation: spin 1s linear infinite;
    border-top: 5px solid #555;
    border-radius: 50%;
    width: 10px;
    height: 10px;
    display:inline-block;
    margin-right:10px;
  }
  
  
  @-webkit-keyframes spin {
    0% { 
      -webkit-transform: rotate(0deg);
      -ms-transform: rotate(0deg);
      transform: rotate(0deg);
    }
  
    100% {
      -webkit-transform: rotate(360deg);
      -ms-transform: rotate(360deg);
      transform: rotate(360deg);
    }
  }
  
  @keyframes spin {
    0% { 
      -webkit-transform: rotate(0deg);
      -ms-transform: rotate(0deg);
      transform: rotate(0deg);
    }
  
    100% {
      -webkit-transform: rotate(360deg);
      -ms-transform: rotate(360deg);
      transform: rotate(360deg);
    }
  }


  .book {
    max-width: 350px;

    min-height: 100px;
    max-height: 125px;
    position:relative;
    text-align: center;
    margin:2.5%;
  }
  
  @media screen and (max-width: 480px) {
    .book {
      height: 100px!important;
    }
  }

  .book-cover {
    
    position: absolute;
    
    z-index:1;
    width: 100%;
    height: 100%;
    /* min-height:175px!important; */
    transform-origin: 0 50%;
    -webkit-transform-origin: 0 50%;
    
    background: #111;

    background-repeat: no-repeat!important;
    background-position: top left!important;
    background-size: 100% 100%!important; /* rimpicciolisce l’immagine */

    border-radius: 3px;
    box-shadow: 
      inset 4px 1px 3px #ffffff60,
      inset 0 -1px 2px #00000080;
    transition: all .5s ease-in-out;
    -webkit-transition: all .5s ease-in-out;
  }
  
  .cover1 {
    background: url('http://fuel-design.com/media/uploads/publications/Soviet_Space_Dogs_cover.jpg');
  }
  
  .cover2 {
    background: url('http://fuel-design.com/media/uploads/publications/Tattoo_Vol_I_cover.jpg');
  }
  
  .cover3 {
    background: url('http://fuel-design.com/media/uploads/publications/CRIME_cover.jpg');
  }
  /*
  .book .book-cover {
    background-size: 100% 100%;
  }
  */
  
  .effect {
    width: 20px;
    height: 100%;
    margin-left: 10px;
    border-left: 2px solid #00000010;
    background-image: linear-gradient(90deg, rgba(255,255,255,0.2) 0%, rgba(255,255,255,0) 100%);
    transition: all .5s ease;
  }
  
  .light {
    width: 90%;
    height: 100%;
    position: absolute;
    border-radius: 3px; 
    background-image: linear-gradient(90deg, rgba(255,255,255,0) 0%, rgba(255,255,255,0.2) 100%);
    top: 0;
    right:0;
    opacity: .1;
    transition: all .5s ease;
    -webkit-transition: all .5s ease;
  }
  
  .book:hover { cursor:pointer; }
  
  .book:hover .book-cover {
    transform: perspective(2000px) rotateY(-30deg);
    -webkit-transform: perspective(2000px) rotateY(-30deg);
    transform-style: preserve-3d;
    -webkit-transform-style: preserve-3d;
    box-shadow: 
      inset 4px 1px 3px #ffffff60,
      inset 0 -1px 2px #00000080,
      10px 0px 10px -5px #00000030
  }
  
  .book:hover .effect {
    width: 40px;
   /** margin-left:13px;
    opacity: 0.5; **/
  }
  
  .book:hover .light {
    opacity: 1;
    width: 70%;
  }
  
  .book-inside{
    width: calc(100% - 2px);
    height:96%;
    position:relative;
    top: 2%;
    border: 1px solid grey;
    border-radius:3px;
    background: white;
    box-shadow: 
    10px 40px 40px -10px #00000030,
    inset -2px 0 0 grey,
    inset -3px 0 0 #dbdbdb,
    inset -4px 0 0 white,
    inset -5px 0 0 #dbdbdb,
    inset -6px 0 0 white,
    inset -7px 0 0 #dbdbdb,
    inset -8px 0 0 white,
    inset -9px 0 0 #dbdbdb;
  }