August 2012
Beginner
583 pages
16h 1m
English
Content preview from Learning PHP, MySQL, JavaScript, and CSS, 2nd Edition
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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.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.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.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.
Chapter 18. Introduction to CSS
Using Cascading Style Sheets (CSS), you can apply styles to your web pages to make them look exactly how you want. This works because CSS is connected to the Document Object Model (DOM), which I explained in Chapter 13.
With CSS you can quickly and easily restyle any element. For example,
if you don’t like the default look of the <h1>, <h2>, and other heading tags, you can assign
new styles to override the default settings for the font family and size
used, whether bold or italics should be set, and many more properties,
too.
One way you can add styling to a web page is by inserting the required
statements into the head of the page, between the <head> and </head> tags. So, to change the style of the
<h1> tag you might use the
following code (I’ll explain the syntax later):
<style>
h1 { color:red; font-size:3em; font-family:Arial; }
</style>Within an HTML page this might look like Example 18-1, which, like all the examples in this
chapter, uses the standard HTML5 DOCTYPE
declaration. The result is shown in Figure 18-1.
Example 18-1. A simple HTML page
<!DOCTYPE html>
<html>
<head>
<title>Hello World</title>
<style>
h1 { color:red; font-size:3em; font-family:Arial; }
</style>
</head>
<body>
<h1>Hello there</h1>
</body>
</html>Figure 18-1. Styling a tag with the original style shown in the inset
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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.