JSFiddle - React, Tailwind, and code Playground

HTML

<p class="blinking">Researching...</p>

CSS

.blinking {
   
    animation: opacity 2s ease-in-out infinite;
    opacity: 1;
}

@keyframes opacity {
  0% {
    opacity: 1;
  }

  50% {
    opacity: 0.5;
  }

  100% {
    opacity: 0;
  }
}