body overlay code example
Example 1: div color overlay css
box-shadow: inset 0 0 0 2000px rgb(0 0 0 / 67%);Example 2: overlay a box in css
<html>
<body>
<div class="overlay"></div>
<body>
<html>box-shadow: inset 0 0 0 2000px rgb(0 0 0 / 67%);<html>
<body>
<div class="overlay"></div>
<body>
<html>