• https://cdn.bootcdn.net/ajax/libs/open-color/1.9.0/open-color.css
• https://cdn.bootcdn.net/ajax/libs/open-color/1.9.0/open-color.js
• https://cdn.bootcdn.net/ajax/libs/open-color/1.9.0/open-color.min.css
• https://cdn.bootcdn.net/ajax/libs/open-color/1.9.0/open-color.min.js