form.uwp-registration-form input[name="username"][data-si-username-state="invalid"]{border:2px solid #b42318!important;box-shadow:0 0 0 1px #b42318!important}
form.uwp-registration-form input[name="username"][data-si-username-state="valid"]{border:2px solid #157347!important;box-shadow:0 0 0 1px #157347!important}
.si-username-status{display:block;margin-top:.35rem;font-size:.875rem}