.docView-fade-enter,
.docView-fade-leave-to {
  opacity: 0 !important;
}
.docView-fade-leave-active,
.docView-fade-enter-active {
  transition: opacity 0.3s ease-in-out;
}
.docView-zoom-enter,
.docView-zoom-leave-to {
  transform: scale3d(0.001, 0.001, 0.001) translate(-50%, -50%) !important;
}
.docView-zoom-leave-active,
.docView-zoom-enter-active {
  transition: transform 0.5s ease;
}
.mask {
  position: fixed;
  left: 0;
  top: 0;
  width: 100vw;
  height: 100vh;
  opacity: 0.5;
  background: #000;
  z-index: 1000;
  overflow: auto;
}