.shelf {
  position: relative;
  min-width: 200px;
  width: calc(100% - 200px);
  margin: 30px auto;
}

.shelf_left {
  position: absolute;
  background-image: url('http://i.imgur.com/QoIEiTi.png');
  left: 0;
  top: 0;
  width: 35px;
  height: 100%;
}

.shelf_right {
  background-image: url('http://i.imgur.com/XFMDQj1.png');
  position: absolute;
  right: 0;
  top: 0;
  width: 35px;
  height: 100%;
}

.shelf_center {
  position: relative;
  text-align: center;
      columns: 230px auto;
  background-image: url('http://i.imgur.com/C8rnJ5B.png');
  height: 100%;
  margin: 10px 35px 10px 35px;
}

.book {
  position: relative;
  display: inline-block;
  width: 100px;
  height: 150px;
  /*outline: 1px solid #0f0;*/
  margin: 2px 15px 32px 15px;
}

.cover {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100%;
  /*outline: 2px solid #00f;*/
  transition: all 0.15s ease-out;
}

.cover:hover {
  z-index: 10;
  left: -5%;
  width: 110%;
  height: 110%;
}

.book img {
  position: absolute;
  max-width: 100%;
  max-height: 100%;
  margin: auto;
  left: 0; bottom: 0; right: 0;
  box-shadow: 0px 5px 10px 0px rgba(0,0,0,0.9);
}

/*.book img:hover {
  max-width: 106%;
  max-height: 106%;
  left: 1%;
  bottom: 3px;
}*/


p.title {
  font-family: sans-serif;
  font-size: 20px;
  text-align: center;
  text-shadow: -1px 1px 0px #000;
  color: #fff;
  width: 92%;
  margin-left: 4%;
  margin-top: 20px;
}

p.author {
  font-family: sans-serif;
  font-size: 14px;
  text-align: center;
  text-shadow: -1px 1px 0px #000;
  color: #eee;
  width: 90%;
  margin-left: 5%;
  padding-top: 20px;
}