Out of the box, the editor icons are fontawesome icons
View attachment 86264
As you can see, the button with the TEX image is the custom bbcode that shows a png button image.
I like to replace that png with another fontawesome icon. I added these lines to extra.css
Code:
html .redactor_toolbar li a.redactor_btn_custom_tex:before
{
content: "\f12b";
}
The result is this
View attachment 86265
I don't have this problem with the original Flexile since it doesn't have fontawesome editor icons out of the box. Maybe I should add the code in a different place?