CertificatePrint.css

.mw-body-content li::marker {
    content: "□\00A0";
    padding-right: 1em;
}

.nochecklist li::marker, 
.wikitable li::marker,
.toc li::marker {
    content: initial;
    padding-right: initial;
}

@media not print {
    .print-only, .print-warning {
        display: none;
    }
}

@media print {
    .print-warning {
        position: fixed;
        left: 0;
        top: 0;
        background: white;
        width: 100vw;
        height: 100vh;
    }
}