:future

Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

The :future CSS pseudo-class selector is a time-dimensional pseudo-class that will match for any element which appears entirely after an element that matches :current. For example in a video with captions which are being displayed by WebVTT.

css

:future(p, span) {
  display: none;
}

Syntax

css

:future {
  /* ... */
}

Examples

CSS

css

:future(p, span) {
  display: none;
}

HTML

html

<video controls preload="metadata">
  <source src="video.mp4" type="video/mp4" />
  <source src="video.webm" type="video/webm" />
  <track
    label="English"
    kind="subtitles"
    srclang="en"
    src="subtitles.vtt"
    default />
</video>

WebVTT

WEBVTT FILE

1
00:00:03.500 --> 00:00:05.000
This is the first caption

2
00:00:06.000 --> 00:00:09.000
This is the second caption

3
00:00:11.000 --> 00:00:19.000
This is the third caption

Specifications

Specification
Selectors Level 4
# the-future-pseudo

Browser compatibility

BCD tables only load in the browser

See also