Consider to add a custom font file instead of including entire font awesome library, e.g. by using https://icomoon.io/app/
And then consider to add a prefix, e.g. hte or something elso to avoid it conflict with other packages.
The class name will then be icon-hte-heading instead of icon-heading.
Consider to add a custom font file instead of including entire font awesome library, e.g. by using https://icomoon.io/app/
And then consider to add a prefix, e.g.
hte
or something elso to avoid it conflict with other packages. The class name will then beicon-hte-heading
instead oficon-heading
.