.erro {
    color: #721c24;
    background-color: #f8d7da;
    border-color: #f5c6cb;
    font-size: 12px;
    width: 100%;
    display: block;
    padding: 0px 10px;
    margin-top: 2px;
    border-radius: 5px;
    font-weight: 600;
}