Brave Sheilds Hacked?

So when i was using the developer console on a website that i had build and ran lighthouse reports, i noticed something really weird under the “Remove unused CSS” section.

So i tested this across different websites. I keep seeing random css added as show above, everytime i generate a new report they keep changing as such :

a[href^=""] { display: none !important; } ...
[href^=""] { display: none !important; } ...
div[class^="lifeOnwerAd"] { display: none !important; } ...
[href^=""] { display: none !important; } ...
a[href^=""] { display: none !important; } .

I ran the same reports on chrome across the same websites but was not seeing this at all.
I proceeded to disable all my extensions on brave but it was still showing up.

After many different test, i realised that after putting the brave shields down, i was not seeing this.

I then proceed to create a new profile on brave and initially thought it was gone for a few hours but now i am seeing it again.

P.S. This is not only happening on a. few sites, its most sites i browse through. This particular example is on a local webpage i wrote up myself ( its not using any javascript).

Even on a page with this kind of HTML markup its happening :

<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<link href="[^2/dist/tailwind.min.css](" rel="stylesheet">
<div class="container mx-5">
<h1 class="text-2xl font-bold">Hello, Tailwind!</h1>
<p class="my-5">Let's learn how to use this new CSS framework.</p>

Furthermore i noticed this is only happening where the page has an stylesheet link on it to a css page

Update : I have got a couple of my friends to test this on their machine and they are seeing this too.

The css cosmetic elements are part of Easylist here, which will hide common ad elements. The the method to hide the white space left over from blocking various domains.

@fanboynz ok that makes sense now thank you!

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