.needs-validation {
    max-width: 600px;
    margin: 0 auto;
    padding: 20px;
    border: 1px solid #7d8286;
    border-radius: 5px;
    text-align: left;
}

.email-errors {
    color: red;
    font-size: 0.9em;
    margin-top: 5px;
}