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Adrian Roselli
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Search Results: a11yTO

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Display: Contents Is Not a CSS Reset

CSS resets are a collection of CSS styles that undo the default browser styling of many or most HTML elements. Recently I have seen cases of developers using display: contents on lists and headings to remove the margins and padding, and generally to visually do what a CSS reset might…

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Tags: accessibility, browser, Chrome, css, Firefox, Safari, standards, tables

OS: High Contrast versus Inverted Colors

Low resolution screen shots combined to show the same page as seen using Windows High Contrast Mode and macOS Invert Colors settings. There are different ways to make a web page more easy to read, but there are two options that come directly from the operating system that many developers…

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Tags: accessibility, Apple, Microsoft, WHCM

Slides from Accessibility Camp Toronto 2016: Mind Your lang

The slides from my talk at Accessibility Camp Toronto, Mind Your lang. Note: Below are the animated images and video that were in my slides but which did not survive in the transition to SlideShare. They are all quite large and will take time to load. If you want to…

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Tags: accessibility, browser, css, html, slides, speaking, standards, usability, UX, WCAG, whatwg

Be Wary of Accessibility Guarantees from Vendors

In my ~20 years of responding to RFPs/RFQs, once organizations started to realize the value of accessibility (or fear of lawsuits), I saw more and more requests include a note on accessibility. In most cases this was just a single line item among many, often with nothing more than a…

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Tags: accessibility, overlay, usability, UX

Press Kit

Conferences/Events 2022 Overlays Underwhelm: a11y NYC (March 2022, remote) 2021 Overlays Underwhelm: Web Directions AAA 2021 (November 2021, remote) What Matters Podcast (October 2021, remote) 13 Letters Podcast (April 2021, remote) 2020 CSUN Assistive Technology Conference (March 2020, remote) 2019 Smashing Conf (October 2019, Lunch session, remote) DevOpsDays Buffalo (September…

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My Slides from Accessibility Camp Toronto 2015

You can also view the slides directly at SlideShare. Sadly, the animated GIFs in my presentation did not survive the conversion to SlideShare. I’ve added them at the bottom of this post, but they are all quite large and will take time to load. If you want to save on…

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Tags: accessibility, slides, speaking, standards, usability, UX, WCAG

Speaking at Accessibility Camp Toronto 2015

I am excited to say that I will be speaking at Accessibility Camp Toronto again this year. It probably goes without saying that I’ll be speaking on accessibility. If you’re free Saturday, October 17 from 9am until 5pm (or any time within that block), and any slots open up, then…

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Tags: accessibility, ARIA, css, html, speaking, standards, usability, UX, WAI, WCAG

Accessibility Camp Toronto Slides: Selfish Accessibility

I’ve updated this post to include the video from the live stream, some links, and a few photos. Selfish Accessibility: a11y Camp Toronto 2014 Video There was a live stream throughout the day, which was broken into a morning video and afternoon video. I’ve embedded the morning stream because it…

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Tags: accessibility, ARIA, html, slides, speaking, W3C, WAI, WCAG

Speaking at Accessibility Camp Toronto 2014

I am excited to say that I will be speaking at Accessibility Camp Toronto in late September. It probably goes without saying that I’ll be speaking on accessibility. Given Toronto’s proximity to my home town of Buffalo, and the fact that I used to wander up to Toronto about once…

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Tags: accessibility, ARIA, speaking, standards, WAI, WCAG

CSS Background Images & High Contrast Mode

This post was written in 2012, when Internet Explorer was still a browser in common use, Edge did not exist (in either form), and WHCM was not yet on standards track. If you are supporting IE or looking for historical support, then this article is for you. Otherwise I recommend…

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Tags: accessibility, browser, css, Internet Explorer, pattern, standards, W3C, WHCM