.social-icon {
    width: 16px;
    height: 16px;
    margin: 3px;
    vertical-align: middle;
}
table, td {
    background-color: transparent !important;
    border: none !important;
}
.firma-email-preview table {
    border-collapse: collapse;
    max-width: 600px;
}
.firma-email-preview strong {
    font-size: 16px;
}
.firma-email-preview em {
    color: #555;
}
.firma-email-preview a {
    color: #000;
    text-decoration: none;
}
.firma-email-preview a:hover {
    text-decoration: underline;
}