Margin utilities

Use the following classes to quickly set a margin:

* ecl-u-ma-xxl: Extra extra large margin
* ecl-u-ma-xl: Extra large margin
* ecl-u-ma-l: Large margin
* ecl-u-ma-m: Medium margin
* ecl-u-ma-s: Small margin
* ecl-u-ma-xs: Extra small margin
* ecl-u-ma-xxs: Extra extra small margin

You can also set a specific margin (top, right bottom, left, horizontal,
vertical), and/or a specific breakpoint.

See examples for more information.