.otp-form-step{
    position: relative;
    display: none;
}

.otp-form-step.show{
    display: block;
}

.otp-form-step.loading:before{
    content: "";
    display: block;
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    top: 0;
    background-color: rgba(255, 255, 255, 0.7);
    z-index: 2;
}