.qsr7aq7f { Vertical-align:top; Cursor: Pointe... Link

: Tools can automatically shorten long, descriptive names into these tiny strings to reduce the overall size of the website's code, helping it load faster.

Even though the class name .qSr7AQ7F is randomized, the properties within it perform specific, standard functions: .qSr7AQ7F { vertical-align:top; cursor: pointe...

: This property controls how an element is positioned vertically relative to its container or surrounding text. Using top aligns the top of the element with the top of the tallest element on the same line. : Tools can automatically shorten long, descriptive names

Are you trying to this specific style on a website, or are you debugging code you've written yourself? What is the purpose of dynamic CSS class names? - Facebook : Tools can automatically shorten long