#thover {
    position: fixed;
    background: #000;
    width: 100%;
    height: 100%;
    opacity: 0.6;
    top: 0px;
    z-index: 99;
}

#tpopup {
position: absolute;
    width: 55%;
    height: 100%;
    left: 53%;
    top: 2%;
    text-align: center;
    margin-left: -34%;
    z-index: 99;
}

@media screen and (max-width: 900px) {
    #tpopup {
        position: absolute;
        width: 90%;
        height: 100%;
        left: 25%;
        top: 10%;
        text-align: center;
    }
}

#tclose {
    position: absolute;
    background: #1e5da9;
    color: white;
    right: -15px;
    top: -15px;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    line-height: 30px;
    text-align: center;
    font-size: 8px;
    font-weight: bold;
    font-family: 'Arial Black', Arial, sans-serif;
    cursor: pointer;
    box-shadow: 0 0 10px 0 rgba(0,0,0,0.5);
    z-index: 99;
}