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Using the Padding-Top CSS Property with H2 Headers for Image Replacement


In this penultimate installment of the series, I demonstrate how to apply Langridge’s image replacement method to all of the H2 headers of a trivial XHTML document. The inner workings of this approach are very easy to grasp, so you shouldn’t have major problems using it within your own web pages.

Author Info:
By: Alejandro Gervasio
Rating: 5 stars5 stars5 stars5 stars5 stars / 3
December 15, 2009
TABLE OF CONTENTS:
  1. · Using the Padding-Top CSS Property with H2 Headers for Image Replacement
  2. · Review: Langridge's image replacement method with an H1 element
  3. · Extending Langridge's method to H2 headers
  4. · Binding the CSS to the structural markup

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Using the Padding-Top CSS Property with H2 Headers for Image Replacement - Binding the CSS to the structural markup
(Page 4 of 4 )

 

By far, the best way to understand how Langridge’s method can be used for changing the default style of H2 headers is by creating an XHTML document that contains a few of these elements. Below I coded such a document, so you can copy and paste its source code for testing purposes. Here it is:

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">

<head>

<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

<title>Stuart Langridge's image replacement on H1 and H2 elements</title>

<style type="text/css">

body {

padding: 0;

margin: 0;

background: #fff;

font: 1em Arial, Helvetica, sans-serif;

color: #000;

}

#wrapper {

width: 960px;

margin: 0 auto;

background: #ffc;

}

#header, #content, #footer {

padding: 20px;

}

 

/* apply image replacement on H1 element */

#header h1 {

width: 400px;

height: 0;

padding-top: 200px;

background: url(h1.png) top left no-repeat;

overflow: hidden;

}

/* apply image replacement on H2 elements */

h2 {

width: 300px;

height: 0;

padding-top: 150px;

background: url(h2.png) top left no-repeat;

overflow: hidden;

}

</style>

</head>

<body>

<div id="wrapper">

<div id="header">

<h1>Welcome to our website</h1>

<p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Suspendisse auctor commodo risus, et ultrices sapien vestibulum non. Maecenas scelerisque quam a nulla mattis tincidunt. Etiam massa libero, pharetra vel laoreet et, ultrices non leo. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Sed posuere ullamcorper lacus et sollicitudin. Morbi ultrices condimentum lacus, sit amet venenatis purus bibendum sit amet. Quisque rhoncus sodales sapien ac blandit. Nam lacus urna, commodo eget tincidunt vitae, ullamcorper at nulla. Vivamus ac iaculis justo. Vestibulum ante ipsum primis in faucibus orci luctus et ultrices posuere cubilia Curae; Aliquam erat volutpat. Sed quis elit erat, et ultricies diam. Phasellus non turpis malesuada erat ultrices tincidunt sed vitae magna. Vestibulum ante ipsum primis in faucibus orci luctus et ultrices posuere cubilia Curae; Duis purus risus, lacinia at faucibus id, luctus nec diam. In nulla neque, consequat ac hendrerit ac, pulvinar eu dui. Aenean in arcu felis, non hendrerit est.</p>

</div>

<div id="content">

<h2>Main content section</h2>

<p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Suspendisse auctor commodo risus, et ultrices sapien vestibulum non. Maecenas scelerisque quam a nulla mattis tincidunt. Etiam massa libero, pharetra vel laoreet et, ultrices non leo. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Sed posuere ullamcorper lacus et sollicitudin. Morbi ultrices condimentum lacus, sit amet venenatis purus bibendum sit amet. Quisque rhoncus sodales sapien ac blandit. Nam lacus urna, commodo eget tincidunt vitae, ullamcorper at nulla. Vivamus ac iaculis justo. Vestibulum ante ipsum primis in faucibus orci luctus et ultrices posuere cubilia Curae; Aliquam erat volutpat. Sed quis elit erat, et ultricies diam. Phasellus non turpis malesuada erat ultrices tincidunt sed vitae magna. Vestibulum ante ipsum primis in faucibus orci luctus et ultrices posuere cubilia Curae; Duis purus risus, lacinia at faucibus id, luctus nec diam. In nulla neque, consequat ac hendrerit ac, pulvinar eu dui. Aenean in arcu felis, non hendrerit est.</p>

</div>

<div id="footer">

<h2>Footer section</h2>

<p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Suspendisse auctor commodo risus, et ultrices sapien vestibulum non. Maecenas scelerisque quam a nulla mattis tincidunt. Etiam massa libero, pharetra vel laoreet et, ultrices non leo. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Sed posuere ullamcorper lacus et sollicitudin. Morbi ultrices condimentum lacus, sit amet venenatis purus bibendum sit amet. Quisque rhoncus sodales sapien ac blandit. Nam lacus urna, commodo eget tincidunt vitae, ullamcorper at nulla. Vivamus ac iaculis justo. Vestibulum ante ipsum primis in faucibus orci luctus et ultrices posuere cubilia Curae; Aliquam erat volutpat. Sed quis elit erat, et ultricies diam. Phasellus non turpis malesuada erat ultrices tincidunt sed vitae magna. Vestibulum ante ipsum primis in faucibus orci luctus et ultrices posuere cubilia Curae; Duis purus risus, lacinia at faucibus id, luctus nec diam. In nulla neque, consequat ac hendrerit ac, pulvinar eu dui. Aenean in arcu felis, non hendrerit est.</p>

</div>

</div>

</body>

</html>

Since the above web page has been used with other image replacement methods covered previously, at this point its structure should be pretty familiar to you. Obviously, the most important thing to note here is the inclusion of the corresponding H2 element in each section that composes the document, which, when tested on the browser, generates the following output:

Naturally, the final result produced by this approach is identical to the one obtained with others. Nonetheless, as you saw in the earlier example, the approach’s internal implementation is completely different.

Feel free to edit all the code samples shown in this tutorial, to build your background in using Langridge’s method for improving the look and feel of different web page elements. The experience will be instructive and fun!

Final thoughts

In this penultimate installment of the series, I demonstrated how to apply Langridge’s image replacement method to all of the H2 headers of a trivial XHTML document. Undoubtedly, the inner workings of this approach are very easy to grasp, so in theory you shouldn’t have major inconveniences using it within your own web pages.

Now, moving forward, in the last tutorial I’ll be discussing how to use this handy method for styling some <a> elements, in consonance with the trend followed in previous parts of the series.

Don’t miss the final chapter!


DISCLAIMER: The content provided in this article is not warranted or guaranteed by Developer Shed, Inc. The content provided is intended for entertainment and/or educational purposes in order to introduce to the reader key ideas, concepts, and/or product reviews. As such it is incumbent upon the reader to employ real-world tactics for security and implementation of best practices. We are not liable for any negative consequences that may result from implementing any information covered in our articles or tutorials. If this is a hardware review, it is not recommended to open and/or modify your hardware.

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