chromium/third_party/blink/web_tests/external/wpt/html/semantics/embedded-content/media-elements/track/track-element/resources/align-text-line-position.vtt

WEBVTT
Cues with valid alignment, line and text position settings.

1
00:00:00.000 --> 00:00:15.000  position:10% align:start line:0%
Bear is Coming!!!!!
Positioning on the top of the viewport at 10% horizontally,
start aligned.

00:00:15.500 --> 00:00:30.500 line:0 align:start
Bear is Coming!!!!!
This is line 0, middle aligned, first character at 50% width.

2
00:00:31.000 --> 00:00:45.500 position:80% line:80%
I said Bear is coming!!!!
Middle aligned, middle of cue's character is at 80% width and 80% height.

00:00:46.000 --> 00:01:00.500 line:5 align:end position:30%
I said Bear is coming!!!!
This is line 6 from the top of the video viewport,
end aligned with last character at 30% of viewport width.

3
00:01:01.000 --> 00:01:30.000 line:-3 align:middle position:60%
I said Bear is coming now!!!!
Positioning on line 3 from the viewport bottom, middle aligned,
with middle character of cue at 60% width.