.woocommerce div.product form.cart .fcsg-add-sample-button {
    width: 100%;
    display: block;
    background-color: #63809e;
    border-color: #63809e;
    color: #fff;
    bottom: 0;

}

/* Sample request CF7: hidden until newsletter opt-in is checked */
.single-extra .wpcf7-form.ftfam-sample-form--collapsed .ftfam-sample-form-field {
    display: none !important;
}

/* Sample button submits the form; hide the CF7 SEND button */
.single-extra .wpcf7-form .ftfam-sample-form-submit {
    display: none !important;
}

.single-extra .wpcf7-form.ftfam-sample-form--revealed {
    margin-top: 0.5rem;
}