A WebVTT-defined position, represented by a value from the following list: - a number: The position is expressed as a percentage value. - 'auto': The position depends on the text alignment of the cue.
'auto'
A WebVTT-defined position, represented by a value from the following list:
- a number: The position is expressed as a percentage value.
-
'auto'
: The position depends on the text alignment of the cue.