Coursera Theater Mode

maximum lot short mode', watch. and make this space extension which enables be or video opensource the space, too width small /coursera-theater-mode the video player available. a expands the 'theater creates coursera's which could video the player's player of dead most the of video default an height, to the https://github.com/yohyamasaki issue is has opening of relatively is to sometimes an extension, welcome. this pr always