#wc-spc-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.7);
    z-index: 9999;
}
.wc-spc-inner {
    background: #fff;
    width: 600px;
    margin: 50px auto;
    padding: 20px;
}