UI - Gutter (Space between columns)

> User Interface (GUI)

1 - About

In typography, the gutter is the space between columns of printed text, including the gap between facing pages

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3 - Implementation

Implementation is done with horizontal padding.

<MATH> 30 \text{ gutter } = 2 \times 15 \text{ padding } </MATH>

The padding is generally counteracted on the parent container (called generally the row) with negative margins.