Changed class name from .browsehappy to .browse-happy.
Updated triangle mixins, added comments to grid mixins, removed ir() mixin and added hidden and invisible mixins.
Added print styles.
Changed variable name selection background.
Updated alert styles.
Fixed typo in comments.
Added padding to image.
Added box-shadow.
Updated class names for visually hidden utility.
Cleaned up formatting and fixed typos.
Cleaned up formatting.
Recompiled styles.