.book-wrapper {
  max-width: 1100px;
  position: relative;
  margin: 50px;
  display: grid;
  grid-template-columns: repeat(4, minmax(100px, 1fr));
  column-gap: 12px;
  padding: 4px;
}
.book-items {
  position: relative;
  cursor: default;
  padding: 16px;
  margin: 0;
  display: grid;
  break-inside: avoid;
  transform: translateZ(0);
  will-change: transform;
  backface-visibility: hidden;
}

.realvjy{
  width: 900px;
  padding: 20px;
  margin: 0 auto;
  font-family: sans-serif;
  text-align: center
}

@media screen and (max-width: 991px) {
    .book-wrapper {
        display: grid;
        grid-template-columns: repeat(4, minmax(100px, 1fr));
        margin: 20px;
    }

}

@media screen and (max-width: 767px) {
    .book-wrapper {
        display: grid;
        grid-template-columns: repeat(2, minmax(100px, 1fr));
        margin: 20px;
    }
}