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Css & Html

Articles and publications tagged Css & Html across the Atmosphere.

8articles1publication
Kilian Valkhof
Kilian ValkhofOct 8, 2026
I’d like to have a universal pseudo selector in CSS
Last week, I wasted about an hour of my time figuring out why a certain element had different dimensions than the same element elsewhere in the DOM. It had the same CSS and the same defined width and height, but it still rendered differently. Yes, it was box-sizing. Of course it was box-sizing. I immediately...
7
CSS & HTML
Kilian Valkhof
Kilian ValkhofAug 19, 2026
My take on a link to a random post with only HTML/CSS
Chris Coyier recently posted about creating a "random post" link on a site that would link to a different URL using only HTML/CSS: A Button That Links to a Random Post in HTML & CSS Only . Here's my take on that. I saw that article and it reminded me of one of the random()...
1
CSS & HTML
Kilian Valkhof
Kilian ValkhofMar 6, 2026
Progressive enhancement as a benefit of CSS Nesting
Something I knew is that in browser that support CSS nesting you can nest @media queries inside of other CSS declarations. What I only fully grasped a few days ago is how well this works for progressive enhancement. I've happily used (and wrote about) CSS and @media nesting for about six years now. Primarily through...
AccessibilityCSS & HTML
Kilian Valkhof
Kilian ValkhofJan 26, 2026
Programming principles for front-end developers
Like many front-end developers, I don’t have a formal computer science background. I rolled into this discipline as a designer wanting more control over the end product. Because of that, a lot of computer science things are lost on me. All I know about capital-s Software Development, I learned as I went from various sources....
1
CSS & HTML
Kilian Valkhof
Kilian ValkhofAug 20, 2025
My pick of the year for the State of CSS Survey
The State of CSS survey results are always fun to read through, and the 'pick of the year' by everyone in particular. Whenever Sacha asks me if I have one I blank, and then a few days later there's an obvious answer. My 2025 Pick: text-wrap: balance; I can’t remember the last time a new...
2
CSS & HTML
Kilian Valkhof
Kilian ValkhofMay 7, 2025
Software Engineering Daily podcast
Recently, wholesome human from the internet Josh Goldberg interviewed me for the Software Engineering Daily podcast. We talked about Polypane, the web development landscape, and how I got into web development. Listen to the Podcast: Visit Software Engineering Daily for the show notes and transcript. Thanks Joel for asking me to be on the podcast,...
CSS & HTML
Kilian Valkhof
Kilian ValkhofJan 6, 2025
Advent Calendars
Happy new year! In December I was lucky enough to write articles for three different advent calendars: HTMHell, 12 days of web and the Fronteers Advent calendar. Starting off right: Where autofocus shines on HTMHell the autofocus attribute is one of my favorite ways to improve very specific interactions on HTML pages, and in the...
CSS & HTML
Kilian Valkhof
Kilian ValkhofNov 20, 2024
An outline version of the new CSS logo
CSS got a new logo! After well over a decade of using the "CSS3" badge, there's now a new CSS logo that fits nicely next to the JS, TS and friends logo's. CSS Logo A purple square with rounded corners and the letters CSS inside in white And here it is among friends: Looks pretty...
CSS & HTML

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