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CSS Print Media Tutorial

So you've made yourself a cutting edge web page. What next ? Well maybe you want your visitors to be able to print pages in a certain style. Heavy graphical content can be removed, background colour c...

So you've made yourself a cutting edge web page. What next ? Well maybe you want your visitors to be able to print pages in a certain style. Heavy graphical content can be removed, background colour changed and navigation items removed, infact anything to make a printer friendly version of your page. All this can de done with CSS.

Printer friendly pages with CSS
CSS can effectively be used to create formated documents ready for print.
This is quite a simple process and all we have to do is create and attach a second style sheet with the attributes required for our print output. Therefore we have a stylesheet that controlls what you see on the screen and a style sheet that controls what is printer. Easy......

Markup changes
So, we will have already attached an external stylesheet in the head code of our document. It should look something like this:

The tag here has an attribute called media which can have a variety of options such as screen or print. For a full description of media types please view our glossary here.

Now, if we want to separate our media into two types - one for the screen and one for print we must alter our code:

We have now defined a separate style sheet for both screen and print.

The css sheets are now called screen.css and print.css. This means when a web browser requests your web page screen.css kicks in for your screen display. When a request is made for a print preview or print the style is defined by print.css.

This is not an automatic process and we will have to write a new style sheet called print.css that works in accordance with your original html document.

In the next section we look at the CSS involved in setting up a page for print output.

CSS Changes
Lets now take a close look at the simple changes we need to make in our stylesheet and how we can create an individual print sheet.

Now is the time to define exactly what we want to achieve in our print output. Maybe we want our website header and logo to be appear on screen but be omitted on paper.

The easiest way to achieve this is create a class or id called 'header' and define a different style for screen.css and print.css.

Lets have a look at how the code may look:

Your header id for screen.css may look like this:

#div header {
font-family:arial;
margin: 0px 0px 2px 2px;
font-size: large;
font-weight: bold;
background-colour: #000000;
border-colour: #ffffff 1px solid;
}

Your header id for print.css may look like this:

#div header {
font-family:arial;
font-size: 20px;
font-weight: bold;
}

The CSS code for screen.css defines font, margin, font size, font weight, background colour and border colour.

The CSS code for print.css defines only the font, font size and font weight. To save the visitor ink we have omitted the background and border and reduces the font size.

If your site is heavy on animated banners or flash movies we can apply a similar technique to allow the banners to be shown on the screen only.

Your screen.css stylesheet could contain all kinds of attributes for the advertisment such as border colourFree Web Content, drop shadows and position.

In your print.css stylesheet you would want to omit the advertisement from printing so in you would place the following:

#div.ads {
display:none;
}

This CSS code will illiminate the advertisement from the print output.

Hope this helps:

http://www.css-help.com

Article Tags: Style Sheet, Print Output, Font Size

Source: Free Articles from ArticlesFactory.com

ABOUT THE AUTHOR


Karl Regis is a student studying Computer Science. He is continually developing a css tutorial website in order to gain a better understanding of cascading style sheets and pass this knowledge on to others.
Css Help is found here:
http://www.css-help.com
We welcome css tutorial submissions, css experiments and helpful advice.



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