<span style="text-shadow: 2px 2px 20px #6B0A03, 2px 2px 20px #6B0A03; color:red;">insert text</span>

(HTML)

Into the style of

a[href$=":insertpagename"],a[href$="/insertpagename"] {
    background: linear-gradient(to bottom, #4953B4 0%, #868BCE 100%) no-repeat;
    -webkit-background-clip: text;
    -webkit-font-weight: bold;
    -webkit-text-fill-color: transparent !important;
}

(CSS)