external css
we can keep our style and html page at different location.
When using CSS it is preferable to keep the CSS separate from your HTML. Placing CSS in a separate file allows the web designer to completely differentiate between content (HTML) and design (CSS). External CSS is a file that contains only CSS code and is saved with a ".css" file extension. This CSS file is then referenced in your HTML using the <link> instead of <style>. If you're confused, don't worry. We are going to walk you through the whole process.
file creation
1. Open any text editor like Notepad and type following code and save with extension css.
CSS Code:
body{ background-color: gray;}
p { color: blue; }
h3{ color: white; }
Now save the file as a CSS (.css) file.
Make sure that you are not saving it as a text (.txt) file, as notepad likes to do by default.
Name the file "test.css" (without the quotes).
Now again open text editor to create a new file.
Now create a new HTML file and fill it with the following code.
HTML Code:
<html>
<head>
<link rel="stylesheet" type="text/css" href="test.css" />
</head>
<body>
<h3> A White Header </h3>
<p> This paragraph has a blue font.
The background color of this page is gray because
we changed it with CSS! </p>
</body>
</html>
Then save this file as "index.html" (without the quotes) in the same directory as your CSS file. Now open your HTML file in your web browser and it should look something like this..
Display:
A White Header
This paragraph has a blue font. The background color of this page is gray because we changed it with CSS!
Congratulations! You just made your first website that uses External CSS! Now, let us move on to the fun stuff.
why use external css?
It keeps your website design and content separate.
It's much easier to reuse your CSS code if you have it in a separate file. Instead of typing the same CSS code on every web page you have, simply have many pages refer to a single CSS file with the "link" tag.
You can make drastic changes to your web pages with just a few changes in a single CSS file.
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