* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.tdc_desktop_wrapper {
    position: fixed;
    width: 660px;
    height: 440px;
    top: 50% !important;
    left: 50% !important;
    z-index: 2147483647;
    transform: translate(-50%, -50%);
    bottom: initial;
    right: initial;
    display: none;
    opacity: 0;
}

.tdc_desktop_wrapper .tdc_desktop_image_container {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    bottom: initial;
    right: initial;
    background: url(//thedailycampus.com/campaigns/uiu-popup26/images/bg.png) no-repeat center center;
    background-size: cover;
    display: none;
    opacity: 0;
}

.closeBtn {
    width: 32px;
    height: 32px;
    position: absolute;
    top: -1%;
    right: -1%;
    cursor: pointer;
    display: none;
    opacity: 0;
}

@media (max-width: 480px) {
    .tdc_desktop_wrapper {
        width: 320px;
        height: 480px;
    }

    .tdc_desktop_wrapper .tdc_desktop_image_container {
        background: url(//thedailycampus.com/campaigns/uiu-popup26/images/mobile.png) no-repeat center center;
        background-size: cover;
    }

    .closeBtn {
        width: 22px;
        height: 22px;
    }
}