.imgs-show .imgdiv {
  overflow: hidden;
  width: 150px;
  height: 150px;
  margin: 5px;
  border-radius: 5px;
  border: 1px solid #ddd;
  display: inline-block;
  position: relative;
}
.imgs-show .mask {
  display: flex;
  justify-content: space-around;
  font-size: 24px;
  align-items: center;
  width: 150px;
  height: 150px;
  position: absolute;
  background-color: rgba(0, 0, 0, 0.5);
  border-radius: 5px;
  top: 0;
  left: 0;
  cursor: default;
  color: #fff;
  opacity: 0;
  transition: opacity 0.3s;
}
.imgs-show .mask > span {
  cursor: pointer;
}
.imgs-show .mask:hover {
  opacity: 1;
}
.imgs-show .el-dialog {
  width: 80%;
}
.imgs-show .el-dialog img {
  -o-object-fit: contain;
     object-fit: contain;
}