It is easy to use JIIcons.
jii-logo
You can use the icons by putting the class `ji-icon` and without specify the icon's name class.
It will display the default icon.
<i class="ji-icon"></i>
select-text
You can use a specific icon by putting the class `ji-icon` and the icon's name with `ji-` prefix.
<i class="ji-icon ji-select-text"></i>