I've created two themes based on the Helvetica Neue Light Typography with OSX colorscheme,
for a distraction free Alfred experience
Links to the themes:
Concise:
https://www.alfredapp.com/extras/theme/K1RikfWWg9/
Concise Dark:
https://www.alfredapp.com/extras/theme/ZFxP51WZ4E/
NOTE: you can 'Hide hat on Alfred window' in theme options for even more minimalism 😉
I hope you will enjoy them!