Keith Clark

This article documents a CSS-only solution for controlling layout in browsers where container style query support is lacking, using CSS animations as a workaround.

This article explores four different techniques for toggling complex layout changes to a shadow DOM, using one or more pseudo-boolean CSS custom properties.

Ripper is a web-based application for extracting sprite sheets, tilesets, fonts, screen memory, and other graphics from data files, executables, or disk images.

ZzFXM is a tiny music generator designed for size-limited JavaScript productions.

This is a post-mortem of my JS1K entry for 2019, Flux.

This is a story of lazy CSS feature detection and why simple syntax checks may not be robust enough to future-proof your CSS.

A few months ago I started looking into the feasibility of enhancing HTML documents for VR using CSS.

This article explores a technique for creating a single element CSS pie chart that can display an arbitrary set of values, using a few basic style rules.

Fixing an element containing site navigation or branding to the top or bottom of the viewport is a common design trend.

In most browsers, tucked away behind a feature flag, is an exciting new API for creating VR experiences on the web.

Recently, I needed to implement a design that scaled the space between components as the viewport changed size.

Last year, I wrote an article that demonstrated how to acheive the popular parallax scrolling effect using nothing but CSS transforms.

This article demonstrates a technique to get content in front of visitors as quickly as possible by asynchronously downloading stylesheets to prevent them from blocking page render.

Last year, I entered JS1K for the first time with a game based on the 8-bit classic, Thrust.

This article demonstrates how to use CSS transforms, perspective and some scaling trickery to create a pure CSS parallax scrolling website.

Webkit will render an element differently when the responsibility of painting it is passed from the CPU to the GPU.

A new open source version of Google Analytics Debugger is available on github.

This year I decided to write something for JS1K.

CSS transforms make it easy to manipulate an element in 3D space without worrying about the complex maths involved.

I was recently asked is it possible to select every element in the last row of a grid containing an arbitrary number of items using CSS selectors?

I’ve released a small update to my Google Analytics Debugger add-on for Firefox.

Last year I created a demo showing how CSS 3D transforms could be used to create 3D environments.

If you follow me on twitter you’ll know I’ve been experimenting with CSS 3D transforms to see how far I can push them.

Here’s an alternative method for writing IE specific style rules without having to move them into separate files.

I’ve been looking into ways to modify elements before DOMContentLoaded so that enhancements can be made as an element is rendered to the screen allowing users to begin interacting with a page even if it hasn’t finished loading or if rendering is being blo…

Parallax scrolling websites have become very popular recently.

A while ago now, I tweeted about using cookies as a means of serving images to a browser based on the size of the device viewport.

Yesterday I was experimenting with a few ideas for decreasing the start-up time of selectivizr (something I’ll be posting about in the future).