: This is the standard web convention to signal to a user that an element is clickable , such as a button, link, or interactive card. Best Practices for Your Own Code
The CSS snippet you provided uses standard properties to define the behavior of elements with that class: .zJU12oe8 { vertical-align:top; cursor: pointe...
: Changes the mouse cursor to a hand icon (the "pointer") when hovering over the element. : This is the standard web convention to
: While vertical-align is widely supported, its behavior can vary slightly in older versions of Chrome or Safari depending on the line-height of the container. : Aligns the element (usually an inline or
: Aligns the element (usually an inline or inline-block element like an image or text span) to the top of its parent line or the highest element on that line.
Since .zJU12oe8 is not a standard or reliable class name, you should create your own descriptive classes if you want to achieve these effects:
Cursor in Input field is not vertically aligned in Chrome - Stack Overflow