JSFiddle - React, Tailwind, and code Playground

HTML

<p>Normal</p>
<p class="importante">Importante</p>
<span class="importante">Span Importante</span>
<p class="importante" id="importante">
    Especificamente Importante
</p>
<p class="importante" id="importante" style="color:#35C !important;">Importantissimo</p>

CSS

p { color:blue;}
.importante{color:red;}
span.importante{color:gray;}
#importante{color:green;}