Adjust Netflix subtitle zoom for "Image type subtitle".
No effect of "Text type subtitle", it should be setting on: https://www.netflix.com/SubtitlePreferences
Home Page：https://github.com/Yukisama/NetflixSubZoom
Firefox Extension：https://addons.mozilla.org/addon/netflix-subtitle-zoom
Chrome Extension：not yet. but soon.
Features:
Adjust Netflix subtitle zoom for "Image type subtitle"
Options:
1.zoom size
2.background color
3.background opacity
4.subtitle position fixed at bottom
5.bottom offset