Icon greyed out

[slider]

Hi the icon on the top of the discussion posts are greyed out (was fine until recently).

These are the picture, hyperlink, emoji ect icons

 

[slider]

p.s. this problem only occurs on my phone, everything is fine on my laptop

 

[csl]

Have you checked this [ ] icon?

 

[slider]

Ah, all returns when I click on that!