How to hover each cell for each day with react FullCalendar?

问题

I have a FullCalendar and I want when, I hover the cell of the days, the background will be blue also, the time of this cell will be appeared.

I try this :

.fc-widget-content td:hover {
    background-color: blue; 
}

But, I get :

But, I want, to hover each cell for each day independently like this:

How can I fix it ?

来源：https://stackoverflow.com/questions/59300806/how-to-hover-each-cell-for-each-day-with-react-fullcalendar