.book-shelf {
  text-align: center;
  width: 100%;
  max-width: 836px;
  margin: 0 auto;
}

.book-shelf-covers {
  width: 80%;
  z-index: 99;
  display: flex;
  justify-content: center;
  align-items: baseline;
  flex-wrap: wrap;
  margin: 0 auto;
  position: relative;
}
.book-shelf-covers > div {
  display: inline-block;
  cursor: pointer;
  width: 20%;
  position: relative;
  flex: 0 0 auto;

  transform-origin: bottom center;
  transition: transform ease 0.3s;
}

.book-shelf-covers > div:hover {
  transform: scale(102%);
}

.book-shelf-covers .delete-cover {
  position: absolute;
  top: 0px;
  right: 0px;
  color: #f00;
  background: white;
  cursor: pointer;
}

.delete-cover:before {
  content: "\f335";
}

.book-shelf-covers > div img {
  max-width: 100%;
  width: 100%;
  display: block;
}

.book-shelf-button-select {
  position: absolute;
  bottom: 10px;
  right: 10px;
  margin: 10px;
}

#shelf-image {
  z-index: 0;
  height: auto;
  max-width: 100%;
  transform: translateY(-12%);
}

.flipbooks-table .cover img {
  max-height: 70px;
  width: auto;
  vertical-align: middle;
}

.flipbooks-table-wrap {
  height: 450px;
  overflow: scroll;
}