.popup {
    position: fixed;
    display: block;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, .8);
    z-index: 9999;
    text-align: center;
    top: 0;
    left: 0
}

.popInner {
    position: absolute;
    display: inline-block;
    -webkit-box-shadow: 1px 0 21px 0 rgba(0, 0, 0, .35);
    -moz-box-shadow: 1px 0 21px 0 rgba(0, 0, 0, .35);
    box-shadow: 1px 0 21px 0 rgba(0, 0, 0, .35);
    top: 22%;
    left: 50%;
    margin-left: -467px
}

.closeBtn {
    position: absolute;
    display: inline-block;
    width: 39px;
    height: 40px;
    background: url(https://www.badpuppy.com/assets/images/close.png) no-repeat;
    top: -15px;
    right: -15px;
    cursor: pointer
}