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.
spring-cloud-square
visual-c++-2019
ellipsis
glulookat
kendo-gantt
regex
cobertura
pyspin
turkish
common-data-service
spoon
securefield
amazon-macie
pidgin
python-sphinx
self-organizing-maps
conemu
home-js
close-application
persona
mc-dc
google-api-js-client
handlebarshelper
titleview
background-task
octopress
getselection
mpxj
ng-i18next
handsontable
