[otp-rs] {
    padding: 10px;
    text-align: center;
}

[otp-rs] input {
    width: 40px;
    height: 40px;
    text-align: center;
    transition: 0.5s;
    outline: none;
    border: 1px solid #ebebeb;
    font-weight: bold;
    border-radius: 5px;
}

[otp-rs] input:focus {
    box-shadow: 2.2px 4.3px 4.3px #139158;
}