CSS

where css

/* One can simplify .card h1, .card h2, .card h3 using "where"
   which does not add any specificity. 
*/
.card :where(h1, h2, h3) { /* equivalent to .card h1, .card h2, .card h3 */
	margin: 0;
}

css :where

ol {
    list-style-type: upper-alpha;
    color: darkblue;
}

/* Not applied to ol, because of lower specificity */
:where(ol, ul, menu:unsupported) :where(ol, ul) {
    color: green;
}

:where(ol, ul) :where(ol, ul) ol {
    list-style-type: lower-greek;
    color: chocolate;
}