Fix events carousel for Safari
Fix events carousel for Safari

Fixes #580

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