Using chromes web inspector to view code is very useful. But how do you view for example the hover code for a button? You will have to hover the mouse over the button and th
Now you can see both the pseudo-class style rules and force them on elements.
To see the rules like :hover in the Styles pane click the small dotted box button in the top right.

To force an element into :hover state, right click it.

Alternatively, you can use Event Listener Breakpoints sidebar pane in the Scripts panel and select to pause in mouseover handlers.