.wpapps-cancel-publisher-subscription-popup {
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    display: none;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    text-align: center;
}
.wpapps-cancel-publisher-subscription-popup .wpapps-cancel-publisher-subscription-popup-content {
    width: 40%;
    overflow:auto;
    padding: 50px;
    background: white;
    color: black;
    position: relative;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    box-sizing: border-box;
}
.wpapps-cancel-publisher-subscription-popup .wpapps-cancel-publisher-subscription-popup-content .wpapps-cancel-publisher-subscription-close {
    position: absolute;
    right: 20px;
    top: 20px;
    width: 20px;
    display: block;
}
.wpapps-cancel-publisher-subscription-popup .wpapps-cancel-publisher-subscription-popup-content .wpapps-cancel-publisher-subscription-close span {
    cursor: pointer;
    position: fixed;
    width: 20px;
    height: 3px;
    background: #000;
}
.wpapps-cancel-publisher-subscription-popup .wpapps-cancel-publisher-subscription-popup-content .wpapps-cancel-publisher-subscription-close span:nth-child(1) {
    transform: rotate(45deg);
}
.wpapps-cancel-publisher-subscription-popup .wpapps-cancel-publisher-subscription-popup-content .wpapps-cancel-publisher-subscription-close span:nth-child(2) {
    transform: rotate(135deg);
}