.font-size-0 {
    font-size: 0 !important;
}

.shortlinks a.connect span,
.ms-slidebar-social a span,
.navbar .navbar-nav>li>a>span {
    display:none;
}
.ms-footbar-social a i {
    font-size: 20px;
}

.powermail_fieldwrap.nolabel label.powermail_label {
    display:none;
}