.pgp {
    font-family: ui-monospace, monospace;
    font-size: 0.75em;
    white-space: pre-wrap;
}

.pgp::before {
    display: inline-block;
    width: 1em;
    height: 1em;
    background-size: 1em 1em;
    background-image: url('lock.png');
    content: "";
}