WEBVTT
Cues with <b>, <i>, <u>, <rt> and <ruby> tags (all valid).

1
00:00:00.000 --> 00:00:15.000 align:start position:20%
The following bear is bold:
<b>Bear</b> is Coming!!!!!

00:00:15.500 --> 00:00:30.500 align:start position:20%
The following bear is in italics and has a class of "larger":
<i.larger>Bear</i> is Coming!!!!!

2
00:00:31.000 --> 00:01:00.500 align:start position:20%
The following bear is underlined even though the element has a blank:
I said <u >Bear</u> is coming!!!!

3
00:01:01.000 --> 00:01:30.000 align:start position:20%
The following bear is ruby annotated:
I said <ruby>Bear<rt>bear with me</rt></ruby> is coming!!!!