This project was forked form procedural/qtcreator-themes but the repo seems deleted.
DejaVu Sans Mono font with size 12 was used for these screenshots.
Place .xml files into share/qtcreator/styles or ~/.config/QtProject/qtcreator/styles/ folder.
For Qt Creator 3.0 and below, remove line which starts with <style name="PrimitiveType" in .xml.