September 2016
Beginner to intermediate
286 pages
6h 29m
English
Content preview from Mastering Bootstrap 4Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Helper classes
Bootstrap also provides some utility classes, which Bootstrap refers to as helper classes. The helper classes provide some basic styles to accentuate information on a page. Their purpose is to give the user some context to the information they are receiving and to provide the developer with styling techniques, outside of the grid system.
Context
Bootstrap defines six context types to give a visual indicator to the user of what type of information is being conveyed: muted, primary, success, info, warning, and danger, as well as providing the developer with simple classes to assign context to elements via text color, text-<context> or background color, bg-<context>.
Let's apply some context to our example. We will add two prices to each ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.