Box-sizing 
Defines how the width and height of the element are calculated: whether they include the borders and padding or not.
Classes
Class name | Value |
---|
.content-box | content-box |
Examples
<div class="content-box">...</div>
Installation
$ npm install @citizensadvice/box-sizing
now import into your stylesheet...
@import '@citizensadvice/box-sizing/index.scss';
You can also make use of the unpkg service, try adding the link below to the head of your HTML
file
<link src="https://unpkg.com/@citizensadvice/box-sizing@latest/build/box-sizing.css" />