JSFiddle - React, Tailwind, and code Playground

HTML

<div class="wrap">
<div class="loader"></div>
</div>

CSS

* {
  box-sizing:border-box;

}
div{
  
display:inline-block;
}
.loader {
    border-top: 40px solid #3498db; /* Blue */
    border-bottom: 40px solid darkblue; /* Blue */
    border-radius: 50%;
    width: 300px;
    height: 300px;
}