JSFiddle - React, Tailwind, and code Playground

HTML

<div></div>

CSS

div{
  width: 100px;
  height: 100px;
  border-radius: 100%;
  position: absolute;
  left: 10px; top: 10px;
  transform: rotate(45deg);
  border: 10px solid blue;
  clip: rect(0px, auto, 40px, 0px); 
}