.alert-danger {
    border-left: 5px solid #b21f2d;
    box-shadow: 0 2px 8px rgba(0, 0, 0, .12);
}

.app-error {
    flex: 0 0 100%;
    width: 100%;
    margin-bottom: 1rem;
    white-space: pre-line;
    overflow-wrap: anywhere;
}

.app-error:focus {
    outline: 2px solid #b21f2d;
    outline-offset: 2px;
}