The Sass @for directive is a pretty powerful feature. It’s really handy for iterating over a set of items. The directive has a pretty simple format: @for $var from <start> through/to <end>, where the from/through variation includes all values, including the last item, and the from/to variation doesn’t. It’s been around since the 2.2 release, however, I just recently got my first chance to work with it.

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