This is a list of all of the icons available in the Video.js base stylesheet. The appropriate class is to the right of each icon.
.vjs-icon-play
.vjs-icon-pause
.vjs-icon-volume-mute
.vjs-icon-volume-low
.vjs-icon-volume-mid
.vjs-icon-volume-high
.vjs-icon-fullscreen-enter
.vjs-icon-fullscreen-exit
.vjs-icon-square
.vjs-icon-spinner
.vjs-icon-subtitles
.vjs-icon-captions
.vjs-icon-chapters
.vjs-icon-share
.vjs-icon-cog
.vjs-icon-circle
.vjs-icon-circle-outline
.vjs-icon-circle-inner-circle