Chapter 7
Three Ways to Insert CSS
There are three ways of inserting a style sheet:
- External style
sheet
- Internal style
sheet
- Inline style
External Style Sheet
An external style sheet is ideal when the style is applied to many
pages. With an external style sheet, you can change the look of an entire Web
site by changing one file. Each page must link to the style sheet using the
<link> tag. The <link> tag goes inside the head section:
E-g:
<head>
<link rel="stylesheet" type="text/css" href="mystyle.css" />
</head>
<link rel="stylesheet" type="text/css" href="mystyle.css" />
</head>
Internal Style Sheet
An internal style sheet should be used when a single document has
a unique style. You define internal styles in the head section of an HTML page,
by using the <style> tag, like this:
E-g:
<head>
<style>
hr {color:sienna;}
p {margin-left:20px;}
body {background-image:url("images/back40.gif");}
</style>
</head>
hr {color:sienna;}
p {margin-left:20px;}
body {background-image:url("images/back40.gif");}
</style>
</head>
Inline Styles
An inline style loses many of the advantages of style sheets by
mixing content with presentation. Use this method sparingly!
To use inline styles you use the style attribute in the relevant
tag. The style attribute can contain any CSS property. The example shows how to
change the color and the left margin of a paragraph:
E-g:
<p
style="color:sienna;margin-left:20px">This is a
paragraph.</p>
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