.wp-editor-container {
    border-color: #ced4da!important;
}
.was-validated .wp-editor-container.is-valid {
    border-color: #28a745!important;
}
.was-validated .wp-editor-container.is-valid.is-focused {
    box-shadow: 0 0 0 0.2rem rgba(40,167,69,.25);
}
.was-validated .wp-editor-container.is-invalid {
    border-color: #dc3545!important;
}
.was-validated .wp-editor-container.is-invalid.is-focused {
    box-shadow: 0 0 0 0.2rem rgba(220,53,69,.25);
}