.loading {
  display: none;
  position: absolute;
  /* top: 50%; */
  left: 50%;
  width: 48px;
  height: 48px;

  &::after,
  &::before {
    content: "";
    box-sizing: border-box;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: #84cd16;
    position: absolute;
    left: 0;
    top: 0;
    animation: animloading 2s linear infinite;
  }

  &::after {
    animation-delay: 1s;
  }
}

@keyframes animloading {
  0% {
    transform: scale(0);
    opacity: 1;
  }
  100% {
    transform: scale(1);
    opacity: 0;
  }
}

#book-list {
  .cover {
    width: 100%;
    height: 100%;
    position: relative;
    /* box-shadow: rgba(0, 0, 0, 0.15) 0px 1.1px 1.5px,
      rgba(0, 0, 0, 0.1) 0px 2.8px 3.9px, rgba(0, 0, 0, 0.08) 0px 5.8px 7.9px,
      rgba(0, 0, 0, 0.06) 0px 12.0455px 16.4px,
      rgba(0, 0, 0, 0.04) 0px 33px 45px; */
    border-radius: 3px;
    overflow: hidden;

    img {
      border-radius: 3px;
      display: block;
      height: auto;
      object-fit: cover;
      width: 100%;
    }

    &::before {
      content: "";
      position: absolute;
      inset: 0px;
      border-radius: 3px;
      pointer-events: none;
      filter: contrast(310%) brightness(100%);
      box-shadow: rgba(15, 15, 15, 0.1) 0px 0px 0px 1px inset;
      background: linear-gradient(
        90deg,
        rgba(0, 0, 0, 0.118) 0.65%,
        rgba(255, 255, 255, 0.2) 1.53%,
        rgba(255, 255, 255, 0.1) 2.38%,
        rgba(0, 0, 0, 0.05) 3.26%,
        rgba(255, 255, 255, 0.14) 5.68%,
        rgba(244, 244, 244, 0) 6.96%
      );
    }
  }
}