.mailjet-error {
    background: #f5797c;
    padding: 5px;
    border: 1px dashed #D50000;
    -moz-border-radius: 6px;
    border-radius: 6px; /* standards-compliant: (IE) */
    color: #FFFFFF;
    font-weight: bold;
}

.mailjet-success {
    background: #8cc657;
    padding: 5px;
    border: 1px dashed #73AD21;
    -moz-border-radius: 6px;
    border-radius: 6px; /* standards-compliant: (IE) */
    color: #FFFFFF;
    font-weight: bold;
}