.fonts.conf

<?xml version="1.0"?>
<!DOCTYPE fontconfig SYSTEM "fonts.dtd">
<fontconfig>

   <match target="font">
    <edit name="antialias" mode="assign">
      <bool>true</bool>
    </edit>

    <edit name="hinting" mode="assign">
      <bool>true</bool>
    </edit>

<!--
"The autohinter and subpixel rendering are not designed to work
 together and should not be used in combination."
from: https://wiki.archlinux.org/index.php/Font_Configuration"
-->
    <edit name="autohint" mode="assign">
      <bool>false</bool>
    </edit>

    <edit name="hintstyle" mode="assign">
      <const>hintslight</const>
    </edit>

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

</fontconfig>