August 2006
Beginner to intermediate
496 pages
17h 36m
English
Content preview from CSS: The Missing ManualBecome 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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How Inheritance Streamlines Style Sheets
You can use inheritance to your advantage to streamline your style sheets. Say you want all the text on a page to use the same font. Instead of creating styles for each tag, simply create a tag style for the <body> tag. (Or create a class style and apply it to the <body> tag.) In the style, specify the font you wish to use, and all of the tags on the page inherit the font: body { font-family: Arial, Helvetica, sans-serif; }. Fast and easy.
You can also use inheritance to apply style properties to a section of a page. For example, like many Web designers, you may use the <div> tag (Section 3.1) to define an area of a page like a banner, sidebar, or footer. By applying a style to a <div> tag, you can specify particular CSS properties for all of the tags inside just that section of the page. If you want all the text in a sidebar to be the same color, you'd create a style setting the color property, and then apply it to the <div>. Any <p>, <h1>, or other tags inside the <div> inherit the same font color.
Tip
You'll find lots more uses for the <div> tag when laying out a page using CSS in Part 3.
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