.icn_pwd {
    background-image: url('../images/key.png') !important;
}

.icn_cert {
    background-image: url('../images/slock.png') !important;
}

.icn_esia {
    background-image: url('../images/openid.png') !important;
}

.icn_avanpostsso {
    background-image: url('../images/avanpostsso.png') !important;
}

.icn_blitz {
    background-image: url('../images/blitz.png') !important;
}

.icn_parussso {
    background-image: url('../images/parussso.png') !important;
}

.icn_ecpspb {
   background-image: url('../images/ecpspb.png') !important;	
}