Entries Tagged as 'CSS'

Flex Layout Fail: Fixing Firefox’s Keyboard Accessibility Bug With The CSS order Property

January 28th, 2017 by zoltan · 2 Comments

Firefox, unlike every other browser on the planet, changes the way that keyboard navigation works in designs that use the CSS order property. Since a lot of developers use flexbox, this can create a lot of cross-browser accessibility issues. This article shows a fix for this problem using a small amount of Javascript.

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Tags: accessibility · CSS · flex-layout · order · Uncategorized

Augment Photos With CSS3 matrix3d() Transforms

July 16th, 2015 by zoltan · 1 Comment

teaser It’s possible to super-impose dynamic HTML content on top of a photos using 3D transforms to give the appearance that it is part of the picture. However, using a combination of translate3d(), scale3d() and rotate3d() functions to do this is difficult. This article discusses how to use the matrix3d() CSS transform with the Matrix Construction Set to get pixel-perfect 3D transforms easily and without any knowledge of matrix arithmetic. It also discusses the differences between matrix() and matrix3d(), as well as what fallbacks to use for browsers that don’t support transforms.

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Tags: 3d · CSS · CSS3 · matrix · matrix3d · transform · transform3d · transform3d · Uncategorized

Fixing Cross-Browser Issues With CSS3 Viewport Units in IE9+ and Safari for iOS

September 24th, 2014 by zoltan · 1 Comment

With viewport units, you can describe width, height, font-size and other CSS styles as percentages of the viewport width and height. There are, however, a few nasty gotchas when it comes to using them in iOS Safari and IE9 and 10. They also don’t always play nice in CSS3 calc() statements and don’t work at all in IE Visual Filters. Using them in iframes can also be problematic. This post talks about how to work around these issues easily using a JavaScript buggyfill (not polyfill). I have used viewport units in production sites today, and now you can too, on any phone or device used in the wild today.

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Tags: CSS · CSS3 · IE Visual Filters · math · viewport units

Animating Circular Paths Using CSS3 Animations.

March 3rd, 2013 by zoltan · 15 Comments

For the longest time I assumed that one couldn’t use CSS Transitions or animations to move DOM objects in anything but a straight path. Sure, a developer could use multiple keyframes to create a list of straight paths to simulate a curve, but I didn’t think one could just define a curve with just two keyframes. I was wrong. If you are coding for a modern web browser, then this is very doable!. This article will show you how it’s done in modern browsers, the math involved, and what to do with older versions of IE that don’t support CSS3 Animations.

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Tags: animation · animation · CSS · CSS3 · JavaScript · math · transform · transition

Cross-Browser Animated Image Masking (Even in IE) Using polyClip.js

January 14th, 2013 by zoltan · No Comments

dad I first created polyClip.js so I could combine the lossy compression algorithm of JPEGs with the ability to have a transparent area that PNGs allow. The result works well in all browsers, but can polyClip.js be fast enough to change the clipping area on-the-fly and even animate it at reasonably fast speeds with CSS3-style transformations on the clipping areas. The answer is a resounding yes and it is really fast even in older IE as well. This article will discuss in doing this with polyClip and a related library, Silk.js to do battery friendly and CPU efficient HTML5 animations.

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Tags: animation · canvas · HTML5 · Images · JavaScript · jQuery · requestAnimationFrame · transform

CSS3 Pseudo-Classes and HTML5 Forms: Their Limitations and a Possible Solution

November 5th, 2012 by zoltan · 2 Comments

I have been playing around with HTML5 Forms for a while now, and one of my favorite parts of the HTML5 Forms spec is the use of CSS3 pseudo-classes to show the validation state of the form fields to the user. I believe these validation hints make a better user experience and makes the process of filling out the form less frustrating. However, I think there are some shortcomings in the existing psuedo-classes that produce these validation hints. I hope that this article will start a discussion for a possible solution that could be easily added to the CSS3 UI specification.

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Tags: CSS3 · forms · HTML5 · psuedo-classes · standard proposal · Uncategorized

Cross Browser Styling of HTML5 Forms — Even In Older Browsers.

May 17th, 2012 by zoltan · 11 Comments

I have updated my html5Widgets package (now called html5Forms.js) so developers can create great looking, easy-to-use forms that can validate each field as a user types. It also has updated validation widgets so older browsers can display error messages like native HTML5 Form implementations do, and even allows developers to style error message bubbles in all browsers even in browsers like Firefox that don’t allow it natively.

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Tags: CSS3 · Forms · HTML5 · Uncategorized

Cross Browser HTML5 Progress Bars In Depth

January 3rd, 2012 by zoltan · 45 Comments

As a web application developer, progress bars are great when you want to show the user that some action is happening, especially when it can take a long time. Creating them is easy with the HTML5 <progress> tag. This article will discuss how this tag is rendered by default in all operating systems and browsers and how to style the progress tag with CSS, even in browsers that don’t officially support the it. It will also show some interesting examples using advanced CSS3 techniques.

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Tags: CSS3 · Forms · gradients · HTML · HTML5 · Polyfills · progress

Cross Browser CSS cursor Images In Depth

December 21st, 2011 by zoltan · 15 Comments

When used properly, custom CSS cursors can add a little bit of polish to your web sites and applications. However, doing this in a cross browser way can be a little confusing unless you know all the gotchas, and this article will go into depth about them. We will also explore issues such as when to use custom cursors, performance, what makes good cursor design, cursor file formats, and cursor size.

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Tags: CSS · CSS3 · cursor · Images

How to Simulate CSS3 box-shadow in IE6-8 Without JavaScript.

August 24th, 2011 by zoltan · 34 Comments

Using CSS3, developers can create simple, glowing and blurred box-shadows in all modern web browsers. But what about IE6-8? This article will discuss how you can simulate them using a variety of Visual Filters to simulate them. This article will cover a few CSS3 box-shadow effects, the equivalent Visual Filter recipes for IE 6-8, and the differences between them.

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Tags: box-shadow · CSS3 · IE Visual Filters