<div class="container"><!-- The video element --><video src="..." /><!-- The overlay area --><div class="container__overlay"><!-- The player button -->...</div></div>
.container {/* Used to position the overlay */position: relative;}.container__overlay {/* Position */left: 0;position: absolute;top: 0;/* Take full size */height: 100%;width: 100%;/* Center the content */align-items: center;display: flex;justify-content: center;/* Add a dark background */background-color: rgba(0, 0, 0, 0.25);}