<div class="parent">
	<div class="child"></div>
</div>
.parent {
	background: #eaeaea;
	width: 300px;
	height: 200px;
}

.child {
	background-image: url(https://d2fltix0v2e0sb.cloudfront.net/dev-rainbow.png);
	background-size: 50% 50%;
	background-repeat: no-repeat;
	background-color: red;
	width: 50%;
	height: 50%;
}































// GRID OVERLAY
.parent {
	position: relative;
}
.parent::before {
	content: "";
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	z-index: 99;
	background: radial-gradient(circle at 1px 1px,#000 2px,transparent 0);
	background-size: 49.5px 49.5px;
}
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