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Feeds by speakers at Beyond Tellerrand conference Düsseldorf 2025

A public list by feedcity.

Matthias Ott
• Matthias Ott

:focus-visible Is Here

One of the most important features of a website that is built with accessibility in mind is that it can be navigated with a keyboard. Most blind users and many users with motor disabilities rely on keyboard navigation, either with a standard keyboard or with a device that mi...

Matthias Ott
• Matthias Ott

:focus-visible Is Here

One of the most important features of a website that is built with accessibility in mind is that it can be navigated with a keyboard. Most blind users and many users with motor disabilities rely on keyboard navigation, either with a standard keyboard or with a device that mi...

Matthias Ott
• Matthias Ott

On the Design Systems Between Us

Ethan Marcotte just gave a fabulous remote talk at SydCSS on the nature of design systems and the challenges of creating and maintaining them over time. Ethan managed to comprise so many of the things I’ve been hearing, noticing, and thinking about in such a concise and clea...

Matthias Ott
• Matthias Ott

On the Design Systems Between Us

Ethan Marcotte just gave a fabulous remote talk at SydCSS on the nature of design systems and the challenges of creating and maintaining them over time. Ethan managed to comprise so many of the things I’ve been hearing, noticing, and thinking about in such a concise and clea...

Matthias Ott
• Matthias Ott

Design and the 80/20 Principle

Over 120 years ago, an Italian engineer, sociologist, economist, and philosopher named Vilfredo Pareto made an astonishing discovery. He was looking at the distribution of land in Italy, when he observed that approximately 80 % of the land was owned by only 20 % of the popul...

Matthias Ott
• Matthias Ott

Design and the 80/20 Principle

Over 120 years ago, an Italian engineer, sociologist, economist, and philosopher named Vilfredo Pareto made an astonishing discovery. He was looking at the distribution of land in Italy, when he observed that approximately 80 % of the land was owned by only 20 % of the popul...

Matthias Ott
• Matthias Ott

CSS Custom Properties With @property

Una Kravets has written an excellent article about a feature that has been released with Chrome 85: The @property syntax of the Properties and Values API. The Properties and Values API is part of CSS Houdini, the next generation of additions to CSS allowing developers to ext...

Matthias Ott
• Matthias Ott

CSS Custom Properties With @property

Una Kravets has written an excellent article about a feature that has been released with Chrome 85: The @property syntax of the Properties and Values API. The Properties and Values API is part of CSS Houdini, the next generation of additions to CSS allowing developers to ext...

Matthias Ott
• Matthias Ott

AVIF: A New Image Format

It doesn’t happen every day that a new image format comes along. So it’s not surprising that people are excited that Chrome 85 has been released with support for the new AVIF format. AVIF (AV1 Image File Format) is an open image format based on the AV1 video format that was ...

Matthias Ott
• Matthias Ott

AVIF: A New Image Format

It doesn’t happen every day that a new image format comes along. So it’s not surprising that people are excited that Chrome 85 has been released with support for the new AVIF format. AVIF (AV1 Image File Format) is an open image format based on the AV1 video format that was ...

Matthias Ott
• Matthias Ott

Your Brain Is Plastic

Martha Curtis had a dream. She wanted to become a violinist. She had been playing the violin since she was nine and excelled at it. But there was a problem. A huge problem. Martha had begun suffering from seizures at age three and a half. She was diagnosed with epilepsy and ...

Matthias Ott
• Matthias Ott

Your Brain Is Plastic

Martha Curtis had a dream. She wanted to become a violinist. She had been playing the violin since she was nine and excelled at it. But there was a problem. A huge problem. Martha had begun suffering from seizures at age three and a half. She was diagnosed with epilepsy and ...

Matthias Ott
• Matthias Ott

Aspect Ratio in CSS: Hacks and a New Property

Layout on the Web is all about flexibility. That elements adjust their dimensions to the size of their content, be it texts of varying length or images of different sizes, is a welcome feature, especially in times of Responsive Web Design because this flexibility makes build...

Matthias Ott
• Matthias Ott

Aspect Ratio in CSS: Hacks and a New Property

Layout on the Web is all about flexibility. That elements adjust their dimensions to the size of their content, be it texts of varying length or images of different sizes, is a welcome feature, especially in times of Responsive Web Design because this flexibility makes build...

Matthias Ott
• Matthias Ott

The Thing With Leading in CSS

The spacing between individual elements of a website and, in particular, the vertical spacing, has been a regular matter of debate between web designers and developers. Designers insist that what they see in the browser doesn’t look at all like the layout they originally des...

Matthias Ott
• Matthias Ott

The Thing With Leading in CSS

The spacing between individual elements of a website and, in particular, the vertical spacing, has been a regular matter of debate between web designers and developers. Designers insist that what they see in the browser doesn’t look at all like the layout they originally des...

Matthias Ott
• Matthias Ott

Design Debt

The dilemma with debt is that it is easily incurred but, inevitably, there comes a time when you will have to pay it back. The problem with design debt is that it is even easier to amass it. Design debt? Yes, like technical debt but for designers. Tight deadlines, feature cr...

Matthias Ott
• Matthias Ott

Design Debt

The dilemma with debt is that it is easily incurred but, inevitably, there comes a time when you will have to pay it back. The problem with design debt is that it is even easier to amass it. Design debt? Yes, like technical debt but for designers. Tight deadlines, feature cr...