Use the custom atom installer to get the best package collection out there.
git clone https://ZombyMediaIC@bitbucket.org/ZombyMediaIC/install_custom_atom.git
Then change to the directory and execute the ./ci_atom.sh
From the command line:
apm install ui-minory
Or directly in Atom:
ui-minoryand click Install
Once installed, open Settings > Themes and select minory.
Good catch. Let us know what about this package looks wrong to you, and we'll investigate right away.