fonts.conf

<?xml version="1.0"?>
<!DOCTYPE fontconfig SYSTEM "urn:fontconfig:fonts.dtd">
<fontconfig>
  <!-- For sans-serif font -->
  <match target="pattern">
    <test name="family" compare="eq"><string>Noto Sans</string></test>
    <edit name="family" mode="prepend_first" binding="strong">
      <string>SF Pro Text</string>
    </edit>
  </match>

  <match target="pattern">
    <test name="family" compare="eq"><string>Liberation Sans</string></test>
    <edit name="family" mode="prepend_first" binding="strong">
      <string>SF Pro Text</string>
    </edit>
  </match>

  <match>
    <test name="family" compare="eq"><string>Segoe UI</string></test>
    <edit name="family" mode="prepend" binding="strong">
      <string>SF Pro Text</string>
    </edit>
  </match>

  <!-- For mono font -->
  <match target="pattern">
    <test name="family" compare="eq"><string>Liberation Mono</string></test>
    <edit name="family" mode="prepend_first" binding="strong">
      <string>SF Mono</string>
    </edit>
  </match>

  <!-- For emoji -->
  <match target="pattern">
    <test name="family" compare="eq"><string>monospace</string></test>
    <edit name="family" mode="append" binding="strong">
      <string>SF Mono</string>
      <string>Apple Color Emoji</string>
    </edit>
  </match>

  <match>
    <test name="family" compare="eq"><string>sans-serif</string></test>
    <edit name="family" mode="append" binding="strong">
      <string>SF Pro Text</string>
      <string>Apple Color Emoji</string>
    </edit>
  </match>

  <selectfont>
    <rejectfont>
      <pattern>
        <patelt name="family">
          <string>Symbola</string>
        </patelt>
      </pattern>
    </rejectfont>
  </selectfont>

  <!-- Font hinting -->
  <match target="font">
    <edit name="hinting" mode="assign">
      <bool>false</bool>
    </edit>
  </match>

  <match target="font">
    <edit name="autohint" mode="assign">
      <bool>false</bool>
    </edit>
  </match>

  <match target="font">
    <edit name="hintstyle" mode="assign">
      <const>hintnone</const>
    </edit>
  </match>

  <match target="font">
    <edit name="lcdfilter" mode="assign">
      <const>lcddefault</const>
    </edit>
  </match>
</fontconfig>