Description

Due to not supported unicode some icons aren't visible on firefox or ie

In case of Bug (otherwise remove this paragraph)

Browser Affected
(use this site: https://www.whatsmybrowser.org/ for non expert users)

• Internet Explorer
• Chrome
• Firefox
• Safari

Browser Version Affected

• Firefox v59

Steps to reproduce

• open list of icons in firefox/ie

Expected Result

• all icons are visible

Current Result

• some icons aren't visible

Other useful information (optional):