.booking_otp {
    background: #fff;
    padding: 30px;
    border-radius: 20px;
    margin: 180px 0 60px;
}
.otp_sec button {
    position: absolute;
    inset-inline-end: 0;
    top: 2px; 
}
.otp_sec input {
    width: calc(100% - 100px);
}