sourcecode/front/project/www/components/QrCode/index.less

@import '../../app.less';

.qr-code-item{
  display: inline-block;
  position: relative;
  .fixed-refresh {
    display: none;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    text-align: center;
    font-size: 30px;
    cursor: pointer;
    color: #fff;
    background: rgba(0, 0, 0, .5);
  }
}
.qr-code-item:hover {
  .fixed-refresh {
    display: block;
  }
}