#none{
    display: none;
  }
  .qrcode_image {
    cursor: pointer;
  }
.scan_Invalid{
  width: 8rem;
  height: 8rem;
  position: absolute;
  top: 50%;
  margin-top: -2rem;
  left: 46%;
  margin-left: -2rem;
  cursor: pointer;
  background: #fff;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
}

#qr_refresh{
  width: 4.6rem;
}
.qrcode_image_Invalid{
  -webkit-mask-image: radial-gradient(circle,#6a6a6a 0,rgba(255,255,255,.15) -37%);
  cursor: pointer;
}
.scan_Invalid img:hover {
  -webkit-transform: rotate(360deg); /*鼠标hover时，i图标旋转*/
  transform: rotate(360deg);
  -webkit-transition: -webkit-transform 5s linear; /*transform进行动画，动画用时1秒钟*/
  transition: -webkit-transform 2s linear;
}