December 2012
Intermediate to advanced
648 pages
22h 14m
English
Content preview from CSS3: The Missing Manual, 3rd EditionBecome 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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Chapter 16. CSS for the Printed Page
Believe it or not, sometimes people will want to see your web pages on paper. People who make a purchase on your site may want to print out a receipt, for example. If you have a cooking site, you’ll certainly want to let your guests print their favorite recipes on paper or index cards for use in the kitchen. Even if your website consists of mostly text articles intended to be read online, some visitors will want to print a hard copy for a class project or archiving. So what becomes of your carefully crafted designs when the ink hits the paper? White text on a black background can waste gallons of toner, and some browsers may not even print the background. Do visitors really need to see your site’s navigation bar on the printed page? Probably not.
Web designers used to solve this dilemma by creating separate printer-friendly versions of their sites—essentially creating a duplicate site formatted just for printing. Not only is that a lot more work than building one version of the site, it also means changing multiple files each time a page needs editing. Fortunately, CSS offers a better way—the ability to make a page look one way when displayed on a screen and a different way when printed (see Figure 16-1). The secret? Media style sheets.
How Media Style Sheets Work
The creators of CSS were pretty thorough when they envisioned all the different ways people might view websites. They knew while most people view the Web using a computer and monitor, ...
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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.
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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.