Create a line break while maintaining inline status (on Piccalilli)

Sometimes you want to create a line break after an inline element, while retaining that inline element’s inline status.

A lovely trick from Andy Bell for breaking after an inline element (such as a form label) using a pseudo-element and the white-space property, so that we can avoid setting the element to display: block (thereby becoming full-width etc) when we don’t want that.

Here’s my own codepen for posterity.