• https://cdn.bootcdn.net/ajax/libs/Ladda/1.0.0/ladda-themeless.min.css
• https://cdn.bootcdn.net/ajax/libs/Ladda/1.0.0/ladda.jquery.min.js
• https://cdn.bootcdn.net/ajax/libs/Ladda/1.0.0/ladda.min.css
• https://cdn.bootcdn.net/ajax/libs/Ladda/1.0.0/ladda.min.js
• https://cdn.bootcdn.net/ajax/libs/Ladda/1.0.0/spin.min.js