.vf-form {
    max-width: 550px;
    margin: auto;
    padding: 20px;
    border: 1px solid #ddd;
    background: transparent;
    border-radius: 0;
    width: 550px;
}

.vf-form label {
    display: block;
    margin: 10px 0 5px;
}

.vf-form input,
.vf-form textarea,
.vf-form button {
    width: 100%;
    padding: 10px;
    margin-bottom: 15px;
    border: 1px solid #ddd;
    border-radius: 0px;
}

#send-otp {
    background: #0073aa;
    color: #fff;
    cursor: pointer;
}