favicon no longer there

I cannot find the favicon for some odd reason or where I can inpput it?
Also, regarding the child theme. If I export the backup settings from regiular theme and import the same settings by copying and pasting them is it suppose to import all colors and settings? Is this only able to happen from the regular theme to import settings to child theme? Or will it work both ways?
Is it recommended to use regular theme for always displaying or child theme?
This site I think I must have changed several options when child was active and cannot import those settings into regular theme. the site below is where i have some import issues. I can resolve by manually setting everything. it also lost the favicon.
http://wrightlawgroupnv.com/

This site lost favicon and no import setting problems
http://irontrainer.co/