#div-collect-phone {
    display: none;
    width: 100vw;
    height: 100vh;
    background: linear-gradient(135deg, #88abf6, #738ede);
    box-sizing: border-box;
 }
#txt-phone {
    padding: 12px 14px;
    border: 1px solid #ccc;
    border-radius: 7px;
    font-size: 20px;
    width: 220px;
    text-align: center;
}
#collect-phone-error {
    margin-top: 20px;
    font-size: 17px;
    color: red;
    display: none;
}

 @media screen and (max-width: 767px) and (orientation: portrait) {


 }