.host::before{
content:'root@host# ';
color:magenta;
}

.guest::before{
content:'root@guest# ';
color:blue;
}

.bsdroot::before{
content:'root@bsdroot# ';
color:magenta;
}

.psql::before{
content:'postgres=# ';
color:darkgrey;
}

.psqluser::before{
content:'username=# ';
color:darkgrey;
}