Solved ETmodule font behaving strangeley, icon disappears on some pages

I have changed the icon of the mobile menu hamburger, from the default 3 line hamburger /61 to rounded squares \e08c, using this css

.mobile_menu_bar:before { content: "\e08c"; }

The font family is set to the default ETmodules

it works fine on my homepage but on all other pages is not visible.

I have noticed on the inspection console that the computed styles tab show the rendered font for the homepage icon is "modules—Network resource(1 glyph)", but the rendered font for all other pages is "ETmodules—Network resource(1 glyph)"

Why is the same css being treated differently on the homepage to other pages? how can i fix it?

If you want to see the site homepage https://www.unleashed.art with \e08c working
example secondary page https://www.unleashed.art/digital with \e08c icon not showing

 

i got an answer from elegant themes, just toggle performance for dynamic icons

https://downloads.intercomcdn.com/i/o/404787181/5c78b97dcca93c683016726d/image.png