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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Responsive utilities
Responsive utilities are a group of media query-based classes that control when an element should be hidden or shown depending on the viewport. One popular use case for this is controlling display specific navigations. For example, a page may have a navigation bar on large displays and have a hidden navigation on small displays which is only displayed when a user chooses to open the navigation.
Let's look at a quick example with our Print Size page. Add the hidden-xs-down class to the img elements:
<div class="container"> <h1>Our Print Sizes</h1> <div class="row"> <div class="col-xs-6 col-sm-3 push-sm-3"> <img src="images/small.jpg" class="img-fluid img-circle hidden-xs-down"> ...
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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.