JSFiddle - React, Tailwind, and code Playground

HTML

<p class="a_class">content will have 2px red border</p>
<p class="override a_class">content will have 1px black border</p>

CSS

.override {
     border: 1px solid #000 !important;
 }
 
 .a_class {
     border: 2px solid red;
 }