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  • Showing and hiding content with pure CSS3

    By Corey Mwamba · Wednesday, June 9, 2010 5

    Creating expanding and collapsing (or show and hide) content on websites used to be the domain of JavaScript, but in modern times we can recreate such functionality without JavaScript, using a combination of :focus, and CSS3 opacity and transitions. In this article, Corey Mwamba shows you how. Read more…

  • Opera supports the WebM video format

    By Chris Mills · Wednesday, May 19, 2010 16

    Today is a very significant day for the Web. WebM, a new, high-quality, free, and open video format is now available, and Opera has released Labs builds that support this format in HTML5 . In this article, we look at some examples, how this came about, why it is such a good thing, and what the technical details look like. Read more…

  • Beautiful UI styling with CSS3 text-shadow, box-shadow, and border-radius

    By Henrik Helmers · Tuesday, April 27, 2010 5

    CSS3 shadows and rounded corners are easy to understand at a basic level, but what if you want to start using them in more advanced UI styling, such as textured buttons and semi-transparent glass effects? In this article Opera designer Jan Henrik Helmers hows you how to create these UI features and more, using CSS3 features, and no images whatsoever. Read more…

  • Opera Mobile 10 and the Opera Widgets Mobile Emulator on your desktop

    By Patrick H. Lauke · Thursday, April 22, 2010 8

    Making sure that your site looks great and works exactly as it should in mobile browsers can often be a tedious process. With Opera Mobile 10 for Windows, Linux and Mac we offer a native application that can be run directly from your desktop machine. And with the integrated Opera Widgets Mobile Emulator, developing mobile optimized widgets has never been easier. Read more…

  • CSS generated content techniques

    By Divya Manian · Thursday, April 1, 2010 20

    With generated content, developers can easily add decorative text and images to their pages directly via CSS. In this article we look at the basics of CSS generated content and give a few interesting examples of where it can be used. Read more…

  • Replacing <noscript> with accessible, unobtrusive DOM/JavaScript

    By Frank M. Palinkas · Monday, March 29, 2010 7

    In this article, Frank Palinkas presents an accessible, unobtrusive replacement for Read more…

  • Opera Mobile 10 developer’s introduction

    By Daniel Davis · Tuesday, March 16, 2010 124

    Opera has just released Opera Mobile 10 final, the latest version of our browser for high-end phones. In this article we take a look at the browser’s main new features, provide developers with information on making sites mobile-friendly, remote debugging with Opera Dragonfly, and give an overview of Opera Mobile 10’s new standards support. Read more…

  • A developer’s look at Opera Mini 5

    By Daniel Davis · Tuesday, March 16, 2010 120

    It’s a great day — Opera Mini 5 final is now available to download! This article takes you through what’s new in Opera Mini 5 in terms of features and web standards support, and offers some simple tips on making your sites mobile-friendly. Read more…

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