The problem with hoarding is you end up living off your reserves. Eventually, you’ll become stale. If you give away everything you have, you are left with nothing. This forces you to look, to be aware, to replenish. . . . Somehow the more you give away, the more comes back to you.
Paul Arden

:current

The :current CSS pseudo-class selector is a time-dimensional pseudo-class that represents the element, or an ancestor of the element, that is currently being displayed. For example in a video with captions which are being displayed by WebVTT.
:current css reference