The CSS class .unUXXgiB is likely a generated by modern front-end build tools. These "gibberish" names are common in large-scale applications using React or Angular to automate styling and security.
While it looks like a bug, it’s actually a deliberate feature of modern web development. Here is why your browser is full of these mysterious selectors. .unUXXgiB { vertical-align:top; cursor: pointe...
Every character in your code adds weight. Long, descriptive class names like .primary-navigation-menu-item take up more bytes than a short, 8-character hash. The CSS class
In massive projects, different teams might accidentally use the same class name (like .card ), causing styles to "leak" and break other parts of the site. Tools like or CSS-in-JS (e.g., Styled Components, Emotion) solve this by appending a unique hash to every class name. Here is why your browser is full of