.gc-account-user-submenu-bar-profile p:nth-child(1) {
    font-size: 0;
}

.gc-account-user-submenu-bar-profile p:nth-child(1):before {
    font-size: 12px;
    content:"Валентинки: "
}

.gc-account-user-submenu-bar-profile p:nth-child(1) b {
    font-size: 12px;
}