: Since .bj8f0vOU is likely temporary, your script will break when the site updates.
: Look for id , name , aria-label , or the element's relative position in the HTML tree instead. .bj8f0vOU { vertical-align:top; cursor: pointe...
: They are common in React, Vue, or automated styling frameworks like Emotion or Tailwind (when compiled). How to Use This Information : Since