I have custom icons that work fine on IOS and Android. When I deploy on the Web, a crossed out box appears in each place in the App where my icon should appear.
negamax
tablecellrenderer
datapersistance
multibyte-characters
infrastructure
geofacet
numpy-einsum
django-hstore
identity-insert
pyyaml
nsq
geopy
firebase-performance
kontakt.io
home-assistant
sunspot
laravel-modules
sitecore-mvc
laravel-echo
uicollectionviewlayout
structural-equation-model
selected
opencv-text
xacml3
cmd.exe
gdkpixbuf
horde
ora-00911
jquery-masonry
pdi