Add ability to define selected color for typewriter
Add ability to define selected color for typewriter

brndnmtthws/dcos-website,dcos/dcos-website,ahoskins/dcos-website,dcos/dcos-website,brndnmtthws/dcos-website,brndnmtthws/dcos-website,brndnmtthws/dcos-website,ahoskins/dcos-website,ahoskins/dcos-website,dcos/dcos-website,ahoskins/dcos-website,dcos/dcos-website