a.eapps-social-icons-item-custom.eapps-social-icons-item:hover {
    background-color: #000 !important;
}

a.eapps-social-icons-item-custom .eapps-social-icons-item-icon {
    width: 20px !important;
    height: 20px !important;
    margin: -10px 0 0 -10px !important;
}