.img-preview-mask {
  width: 100%;
  height: 100%;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 9999;
  background-color: rgba(255,255,255,0.8);
}
.img-preview-popover {
  position: fixed;
  z-index: 9999;
  overflow: auto;
}

.img-preview-foot {
  width: 96%;
  padding: 0 2%;
  position: absolute;
  bottom: 0;
  background-color: rgba(255,255,255,0.8);
}
.img-foot-title {
  font-size: 16px;
  color: #fff;
  margin-top: 5px;
}
.img-foot-desc {
  font-size: 12px;
  color: #fff;
  margin-top: 5px;
  line-height: 24px;
}
.img-preview-box img{
  max-width: 100%;
}