Fix icon glitch in doc navigation
Fix icon glitch in doc navigation

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