fonts_local.conf

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE fontconfig SYSTEM "fonts.dtd">
<fontconfig>
   <match>
      <edit mode="prepend" name="family">
         <string>Noto Sans</string>
      </edit>
   </match>
   <match target="pattern">
      <test qual="any" name="family">
         <string>serif</string>
      </test>
      <edit name="family" mode="assign" binding="same">
         <string>Noto Serif</string>
      </edit>
   </match>
   <match target="pattern">
      <test qual="any" name="family">
         <string>sans-serif</string>
      </test>
      <edit name="family" mode="assign" binding="same">
         <string>Noto Sans</string>
      </edit>
   </match>
   <match target="pattern">
      <test qual="any" name="family">
         <string>monospace</string>
      </test>
      <edit name="family" mode="assign" binding="same">
         <string>Noto Mono</string>
      </edit>
   </match>
</fontconfig>