#OTPInputBox {
    overflow: hidden;
    height: 0px;
    justify-items: center;
    transition: all 0.3s;
}
#OTPInputBox .OTPFrontBox {
    margin-bottom: 12px; 
    width: 80%;
    justify-content: space-evenly;
}
#OTPInputBox #LoginBtn {
    margin-top: 12px;
}