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-play-circle.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-spinner.vjs-icon-subtitles.vjs-icon-captions.vjs-icon-hd.vjs-icon-chapters.vjs-icon-downloading.vjs-icon-file-download.vjs-icon-file-download-download.vjs-icon-file-download-off.vjs-icon-share.vjs-icon-cog.vjs-icon-square.vjs-icon-circle.vjs-icon-circle-outline.vjs-icon-circle-inner-circle.vjs-icon-cancel.vjs-icon-repeat.vjs-icon-replay.vjs-icon-replay-5.vjs-icon-replay-10.vjs-icon-replay-30.vjs-icon-forward-5.vjs-icon-forward-10.vjs-icon-forward-30.vjs-icon-audio.vjs-next-item.vjs-icon-previous-item.vjs-icon-shuffle.vjs-icon-cast.vjs-icon-picture-in-picture-enter.vjs-icon-picture-in-picture-exit.vjs-icon-facebook.vjs-icon-linkedin.vjs-icon-twitter.vjs-icon-tumblr.vjs-icon-pinterest.vjs-icon-audio-description