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HTML

              
                <div id="main-content" class="wrapper">
  <article class="featured">
    <h2>Specificiteit verlagen met :where()</h2>
    <p>Schakel bij de CSS verschilende opmaakregels uit.</p>
    <p>De tekstkleur verandert dan in groen en in paars.</p>
  </article>
</div>
              
            
!

CSS

              
                /* Hoge specificiteit 1,1,3 */
/* Als je deze uitschakelt, wordt elke p groen */
#main-content article.featured p {
  color: red;
}

/* Specificiteit is 0! 
/* Deze regel wordt alleen toegepast als het de enige opmaakregel voor p is*/
:where(#main-content article.featured p) {
  color: purple;
}

/* Specificiteit 0,0,1 
/* Als de tekst groen is en je schakelt deze regel uit,
/* dan pas wordt de tekst paars */
p {
  color: green;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}
body {
  font-size: 1.25rem;
}

.wrapper {
  margin-inline: auto;
  padding-inline: 1.25rem;
  width: 80vw;
  width: clamp(20em, 80vw, 64rem);
}

              
            
!

JS

              
                
              
            
!
999px

Console