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STYLE SHEETS

Creating Angled Corners with Transparent Background Images
By: Alejandro Gervasio
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  • Rating: 4 stars4 stars4 stars4 stars4 stars / 2
    2008-02-05

    Table of Contents:
  • Creating Angled Corners with Transparent Background Images
  • Review: building rounded corners by using a transparent background image
  • Building angled corners by using a single transparent background image
  • Seeing the angled corners effect in action

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    Creating Angled Corners with Transparent Background Images - Seeing the angled corners effect in action


    (Page 4 of 4 )

    As I promised in the previous section, below I included the complete source code of the same sample web document that you learned in the first article of the series, but in this case all of the <h2> headers contained in the document in question have been properly styled by using a few simple angled corners.

    That being said, here is the corresponding code sample:


    <!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>

    <title>Sample web page with angled corners (uses transparent background image)</title>

    <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />

    <style type="text/css">

    body{

    padding: 0;

    margin: 0;

    background: #ccc;

    }

    h1{

    padding: 5px;

    margin: 0;

    font: bold 12px Arial, Helvetica, sans-serif;

    color: #000;

    }

    h2{

    padding: 7px 5px 8px 5px;

    margin: 0;

    background: #6cf url(angled_corners_transp.gif) center center no-repeat;

    font: bold 12px Arial, Helvetica, sans-serif;

    color: #000;

    }

    p{

    font: normal 12px Arial, Helvetica, sans-serif;

    color: #000;

    }

    #header{

    width: 780px;

    padding: 10px;

    margin-left: auto;

    margin-right: auto;

    background: #ffc;

    }

    #navbar{

    width: 780px;

    padding: 10px;

    margin-left: auto;

    margin-right: auto;

    background: #fff;

    }

    #navbar ul{

    list-style: none;

    }

    #navbar li{

    display: inline;

    padding-right: 4%;

    }

    #navbar a:link,#navbar a:visited{

    font: normal 12px Arial, Helvetica, sans-serif;

    color: #039;

    text-decoration: none;

    }

    #navbar a:hover{

    text-decoration: underline;

    }

    #mainwrapper{

    clear: both;

    width: 800px;

    height: 100%;

    margin-left: auto;

    margin-right: auto;

    overflow: hidden;

    background: #fff;

    }

    #mainwrapper .leftcol{

    position: relative;

    float: left;

    }

    #mainwrapper .rightcol{

    position: relative;

    float: right;

    }

    #leftbar{

    width: 180px;

    padding: 10px;

    }

    #centerbar{

    float: left;

    width: 380px;

    padding: 10px;

    background: #fff;

    }

    #rightbar{

    width: 180px;

    padding: 10px;

    }

    #footer{

    clear: both;

    width: 780px;

    padding: 10px;

    margin-left: auto;

    margin-right: auto;

    background: #ffc;

    }

    .contbox{

    padding: 10px;

    background: #6cf;

    }

    </style>

    </head>

    <body>

    <div id="header">

    <h1>This is the header section of the web page</h1>

    <p>Contents for header section go here. Contents for header section go here. Contents for header section go here. Contents for header section go here.</p>

    </div>

    <div id="navbar">

    <h1>This is the navigation bar of the web page</h1>

    <ul>

    <li><a href="#">Link 1</a></li>

    <li><a href="#">Link 2</a></li>

    <li><a href="#">Link 3</a></li>

    <li><a href="#">Link 4</a></li>

    <li><a href="#">Link 5</a></li>

    <li><a href="#">Link 6</a></li>

    </ul>

    </div>

    <div id="mainwrapper">

    <div id="leftbar" class="leftcol">

    <h2>Left column</h2>

    <div class="contbox">

    <p>Contents for left column go here. Contents for left column go here. Contents for left column go here. Contents for left column go here. Contents for left column go here. Contents for left column go here. Contents for left column go here. Contents for left column go here. Contents for left column go here. Contents for left column go here.</p>

    </div>

    </div>

    <div id="centerbar" class="leftcol">

    <h1>Center column of the web page</h1>

    <p>Contents for center column go here. Contents for center column go here. Contents for center column go here. Contents for center column go here. Contents for center column go here. Contents for center column go here. Contents for center column go here. Contents for center column go here. Contents for center column go here. Contents for center column go here.</p>

    <p>Contents for center column go here. Contents for center column go here. Contents for center column go here. Contents for center column go here. Contents for center column go here. Contents for center column go here. Contents for center column go here. Contents for center column go here. Contents for center column go here. Contents for center column go here.</p>

    <p>Contents for center column go here. Contents for center column go here. Contents for center column go here. Contents for center column go here. Contents for center column go here. Contents for center column go here. Contents for center column go here. Contents for center column go here. Contents for center column go here. Contents for center column go here.</p>

    </div>

    <div id="rightbar" class="rightcol">

    <h2>Right column</h2>

    <div class="contbox">

    <p>Contents for left column go here. Contents for left column go here. Contents for left column go here. Contents for left column go here. Contents for left column go here. Contents for left column go here. Contents for left column go here. Contents for left column go here. Contents for left column go here. Contents for left column go here.</p>

    </div>

    </div>

    </div>

    <div id="footer">

    <h1>This is the footer section of the web page</h1>

    <p>Contents for footer section go here. Contents for footer section go here. Contents for footer section go here. Contents for footer section go here. Contents for footer section go here.</p>

    </div>

    </body>

    </html>

    There you have it. The above web page displays a neat angled corner effect, which was achieved by utilizing only one transparent background image. Besides, you’re free to introduce your own modifications to the previous hands-on example, so that you can acquire a more solid background in building this kind of effect with some basic CSS styles.

    Final thoughts

    In this second installment of the series I showed you how to utilize a unique transparent background image in order to display some basic angled corners on several elements of a web document. As you saw, this technique is indeed very flexible and easy to learn, even for novice web designers.

    Taking into account the flexibility offered by this approach, in the last article of the series, I’ll demonstrate how to create some fancy web page headers utilizing a few simple transparent background graphics.

    Now that you know what the next part will be about, you won’t want to miss it!


    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.

       · In the course of this second part of the series, you’ll see you how to use...
     

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