JSFiddle - React, Tailwind, and code Playground

HTML

<video src="http://html5demos.com/assets/dizzy.mp4" controls></video>

CSS

video::-webkit-media-controls-fullscreen-button {
   margin-right: -32px;
   z-index: 10;
   position: relative;
   background: #fafafa;
   background-image: url(https://image.flaticon.com/icons/svg/151/151926.svg);
   background-size: 50%;
   background-position: 50% 50%;
   background-repeat: no-repeat;
}