.mc-promo-login .panel-heading .sidebar h3, .mc-promo-manage .panel-heading .sidebar h3, .promo-container .header .sidebar h3, .sidebar .card-title, .sidebar .mc-promo-login .panel-heading h3, .sidebar .mc-promo-manage .panel-heading h3,
.sidebar .promo-container .header h3 {
    font-size: 15.5px!important;
}