.ecp-popup {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
}

.ecp-popup-content {
    background: white;
    padding: 20px;
    margin: 10% auto;
    width: 50%;
    position: relative;
}

.ecp-close {
    position: absolute;
    top: 10px;
    right: 15px;
    font-size: 20px;
    cursor: pointer;
}