@media(max-width:960px) {
    #overlay, .popup {
        /* display: none !important;*/
        /*  width:50%;*/
    }

    .cnt223 {
        min-width: 80% !important;
        width: 80% !important;
    }



    .register-button {
        width: calc(20vw + 6px) !important;
        height: calc(8vw + 6px) !important;
        background-image: linear-gradient(90deg, #00C0FF 0%, #5fbc4e 49%, #b6ff00 80%, #00C0FF 100%);
        border-radius: 5px;
        display: flex;
        align-items: center;
        justify-content: center;
        text-transform: uppercase;
        font-size: 15px;
        font-weight: bold;
        animation: slidebg 2s linear infinite;
        float: left !important
    }

        .register-button:after {
            content: attr(alt);
            width: 20vw !important;
            height: 8vw !important;
            background-color: #b4f1ff;
            display: flex;
            align-items: center;
            justify-content: center;
        }
}

#overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #000;
    filter: alpha(opacity=80);
    -moz-opacity: 0.8;
    -khtml-opacity: 0.8;
    opacity: 0.8;
    z-index: 99998;
    display: none;
}

.cnt223 a {
    text-decoration: none;
}

.popup {
    width: 100%;
    margin: 0 auto;
    display: none;
    position: fixed;
    z-index: 99999;
}

.cnt223 {
    min-width: 800px;
    width: 800px;
    min-height: 150px;
    margin: 100px auto;
    background: #f3f3f3;
    position: relative;
    z-index: 9999;
    padding: 15px 15px;
    border-radius: 5px;
    box-shadow: 0 2px 5px #000;
}


    .cnt223 p a {
        color: #333;
        font-weight: bold;
        font-size: 13px;
        margin-top: 7px;
    }

    .cnt223 .x {
        float: right;
        height: 35px;
        left: 22px;
        position: relative;
        top: -25px;
        width: 34px;
    }

        .cnt223 .x:hover {
            cursor: pointer;
        }