@userfrosting/theme-adminlte/app/assets/userfrosting/css/uf-jqueryvalidation.css

Admin LTE Theme for UserFrosting 5

/* ==========================================================================
   Custom styles for jQuery Validation elements
   ========================================================================== */

.error-block {
    margin-top: 5px;
    margin-bottom: 10px;

    color: #a94442;
}