.modal {
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: .6s;
}
.modal.is-show {
    opacity: 1;
    visibility: visible;
}
.modal-inner {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50%);
    width: 180px;
    height: 180px;
    margin: 0 auto;
    padding: 30px;
    background-color: #fff;
    z-index: 5;
    text-align: center;
}
.close-btn {
    position: absolute;
    right: 0;
    top: 0;
    width: 50px;
    height: 50px;
    line-height: 50px;
    text-align: center;
    cursor: pointer;
    color: gray;
    font-size:x-small;
}
.modal-bg {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,.5);
    z-index: 1;
    cursor: pointer;
}
.qrcode{
    margin: 0 auto;
}
.copybtn{
    -webkit-writing-mode: horizontal-tb !important;
    -webkit-appearance: button;
    border-color: rgb(216, 216, 216) rgb(209, 209, 209) rgb(186, 186, 186);
    border-style: solid;
    border-width: 1px;
    padding: 2px 20px 2px 20px;
    text-rendering: auto;
    color: initial;
    display: inline-block;
    text-align: start;
    margin: 0em;
    font: 400 11px system-ui;
    cursor: pointer;
}
.copybtn:hover {
    background: rgb(237, 237, 237);
  }
   
.copybtn:focus {
    outline: none;
    box-shadow: 0 0 0 4px #cbd6ee;
  }