- `.dl-horizontal` now requires grid classes, increasing flexbility in column widths.
- Custom `<blockquote>` styling has moved to classes—`.blockquote` and the `.blockquote-reverse` modifier.
+### Images
+
+- Renamed `.img-responsive` to `.img-fluid`.
+
### Tables
- Nearly all instances of the `>` selector have been removed, meaning nested tables will now automatically inherit styles from their parents. This greatly simplifies our selectors and potential customizations.