title: What does "CSSLayerBlockRule" in Chrome Console mean?
body: <p>I am working on a typical &quot;snake&quot; game in js, and came across the following output on Chrome's console:</p>
  <p><a href="https://i.stack.imgur.com/PguXW.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/PguXW.png" alt="console output" /></a></p>
  <p>The prints from my script are working fine, but I cannot find any documentation on the last two lines. They do not seem like errors to me, but what are they?</p>