#my-content-book {
    overflow: hidden; 
    position: relative;
    cursor: grab !important; 
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    touch-action: none;
    min-height: 805px;
    z-index: 998;
}

#my-content-book img {
    user-drag: none;  
   user-select: none;
   -moz-user-select: none;
   -webkit-user-drag: none;
   -webkit-user-select: none;
   -ms-user-select: none;
}

#zoom-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 50%;
  height: 8px;
  background: #ffffff;
  border-radius: 4px;
  cursor: pointer;
}

#zoom-slider::-webkit-slider-runnable-track {
  background: #dfdfdf;
  box-shadow: 0px 0px 0px #ffffff, 0px 0px 0px #ffffff;
}

#zoom-slider::-moz-range-track {
  background: #dfdfdf;
  box-shadow: 0px 0px 0px #ffffff, 0px 0px 0px #ffffff;
}

#zoom-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  margin-top: -12px;
  border: none;
  background-image: url('../images/iconos/lupa.svg');
  background-color: #ffffff00;
  background-size: 50px 50px;
  background-repeat: no-repeat;
  background-position: center;
  box-shadow: 1px 1px 1px rgba(0, 0, 0, 0);
}

#zoom-slider::-moz-range-thumb {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: none;
  background-image: url('../images/iconos/lupa.svg');
  background-color: #ffffff00;
  background-size: 50px 50px;
  background-repeat: no-repeat;
  background-position: center;
  box-shadow: 1px 1px 1px rgba(0, 0, 0, 0);
}

#book {
    position: absolute !important;
    transform-origin: 0 0;
}

.btn-fullscreen {
    width: 50px !important;
    height: 50px !important;
    cursor: pointer;
    margin-left: 10px;
}