CSS Mastery, Third Edition by Emil Björklund & Andy Budd

Author:Emil Björklund & Andy Budd [Emil Björklund]
Language: eng
Format: epub
Tags: Design, Web Development
Publisher: Apress
Published: 2016-07-25T21:00:00+00:00

Figure 7-13. Using negative margins on row container elements, we counter the extra indent and compounding margins of nested rows

Alternate Gutter Strategies

In order to further simplify the column width calculations, we can make use of the box-sizing property and set the gutters using padding instead.

If we continue using fluid gutters, we only need to shift the gutter measurement to become padding instead. We can now go back to expressing the measurements of the columns as proper fractions of the whole again, without factoring in the width of the gutter:

.col {

float: left;

box-sizing: border-box;

padding: 0 .9% 1.375em;

}

.row-trio > * {

width: 33.33333%;

}

.subcategory-featured {

width: 50%;

}

/* ...etc */

This also leaves the road open to using gutters set with a typographic measurement instead: we can use ems to set the gutter to be relative to the font size rather than the width of the grid. In the following example (see Figure 7-14), the gutter size is the same as the line height, creating equal vertical and horizontal spacing between columns regardless of the width of the grid.

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