UnCSS is a tool that removes unused CSS from your stylesheets. It works across multiple files and supports Javascript-injected CSS.

Despite web pages reaching 2MB performance remains a hot topic. The slicker your application, the better the user experience and the higher the conversion rate!

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A guide to writing style sheets for large scale, rapidly changing, long-lived web projects

Right now, I have a near frictionless CSS workflow. I write in Sass, compile with Libsass and get vendor prefixes added with PostCSS/Autoprefixer via Gulp/Grunt. Why would I want to upset that?

What do you think of when you hear the phrase, “ambient computing”? It doesn’t conjure up a sleek device you can hold or wear, nor an ingenious app you can download. Ambient computing—or ambient intelligence, a term used synonymously—is more abstract: it’s a condition, a state of the art. It describes a computing era that is unfolding around us, as technology continues its staggeringly rapid evolution. To understand it, focus not on the word “computing” but on “ambient.” Think of ambient lighting. Ambient music. An ambient element is tuned to your immediate environment, adapted to enhance a particular mood or activity.

Principle makes it easy to design animated and interactive user interfaces. Whether you're designing the flow of a multi-screen app, or new interactions and animations, Principle lets you create designs that look and feel amazing.

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CSS3 Text provides the ability to apply hyphenation to text, via the hyphens property. While this is all well and good, it doesn’t provide the fine grain control you may require to get professional results. For this, let me introduce to you CSS4 Text.

Keeping the web silky smooth

It provides visual feedback for links that have "focus" when navigating a web document using the TAB key (or equivalent). This is especially useful for folks who can't use a mouse or have a visual impairment. If you remove the outline you are making your site inaccessible for these people.

The AccDC Technical Style Guide is designed to provide reliable and consistent interaction designs that are accessible to the highest percentage of people possible, and to establish a baseline for Functional Accessibility that can be utilized, built upon, studied, and tested against.

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Z-index is an inherently tricky thing, and maintaining z-index order in a complex layout is notoriously difficult. With different stacking orders and contexts, keeping track of them as their numbers increase can be hard — and once they start to spread across CSS files, forget about it! Because z-index can make or break a UI element’s visibility and usability, keeping your website’s UI in working order can be a delicate balance.

Я продолжаю делиться опытом ошибок и находок в анкетных исследованиях. В первой статье я рассказала, как можно привлечь релевантных респондентов и увеличить возврат заполненных анкет.

One question that came up more and more in recent months is how to create an accessible modal dialog with WAI-ARIA. So without further ado, here’s my take on the subject!

Lightbox, modal window, dialog, overlay… There are many names used to describe a component with the same (or very similar) functionality. For the purpose of this article, I will use these terms interchangeably to refer to a window which is triggered by the user, appears on top of the viewed page overlaying other content, and which must be acknowledged by the user before they can come back to the main page area. When the window is open, the rest of the page is dimmed and the user is only able to interact with that window's content.