gentoo-overlay/media-fonts/croscorefonts/files/62-croscore-arimo.conf

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE fontconfig SYSTEM "../fonts.dtd">
<fontconfig>
  <alias>
    <family>sans-serif</family>
    <prefer>
      <family>Arimo</family>
    </prefer>
  </alias>
  <alias>
    <family>Arimo</family>
    <default>
      <family>sans-serif</family>
    </default>
  </alias>
  <alias binding="same">
    <family>Liberation Sans</family>
    <accept>
      <family>Arimo</family>
    </accept>
  </alias>
  <alias binding="same">
    <family>Arimo</family>
    <default>
      <family>Liberation Sans</family>
    </default>
  </alias>
  <alias binding="same">
    <family>Arial</family>
    <accept>
      <family>Arimo</family>
    </accept>
  </alias>
  <alias binding="same">
    <family>Arimo</family>
    <default>
      <family>Arial</family>
    </default>
  </alias>
</fontconfig>