javascript - How to find what caused a DOM element appearance change when hovered over? -

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javascript - How to find what caused a DOM element appearance change when hovered over? -

there's this page, click next go time slots page. if hover on time slot 1 shown here, appearance changes. checked in chrome's dev tools , couldn't find style hover declaration nor attached javescript mouse on event.

how style changed?

the time slot has hover style attached it.

.ab-columnizer .ab-available-hour:hover { border: 2px solid #f4662f!important; color: #f4662f!important; }

how find?

inspect element

right click , select forcefulness state

you find :hover

javascript html css

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