JSFiddle - React, Tailwind, and code Playground

HTML

<div class='spinner'></div>

CSS

.spinner {
  height: 30px;
  width: 30px;
  border: 8px solid #8798A3;
  border-radius: 50%;
  border-left-color: #A4B1BA;
  animation: spin 0.75s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}