Why is this css used to hide the title link? :root [href^="https://www.privateinternetaccess.com/"] { display: none !important; } :root *[atm2xmk][hidden

Why is this css used to hide the title link? :root [href^="https://www.privateinternetaccess.com/"] { display: none !important; } :root *[atm2xmk][hidden] { display: none !important; } Edit: Never mind, it is my ad blocker.