All posts / JS / CSS / Design / Data / Motion

Responsive type scales with composable CSS utilities

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With the help of calc(), clamp() and CSS vars, we can create composable, responsive, and fluid type scales that smoothly adapts to viewport and container widths.

Hiding empty elements with CSS :empty and :has()

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You might be used to toggling classes on elements to handle state styles. What if we could just write CSS that reflected the state of the DOM?

Selecting previous siblings with CSS :has()

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Selecting a previous sibling was for long impossible, but is now a breeze with the has() pseudo-class

A brief introduction to A/B-testing

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Learn how to use A/B-testing as a guiding compass for making product decisions, and how to avoid its pitfalls

Chaining styles with a JavaScript Proxy

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If you miss method chaining from Ruby or jQuery when working with styles in JavaScript, you can recreate the pattern with a few lines of code

Smoother & sharper shadows with layered box-shadows

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With a simple CSS trick, we can get fine-tuned control over how shadows are rendered, and create richer and more realistic 3D effects

Cheat sheet for moving from jQuery to vanilla JavaScript

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This reference guide will help you convert jQuery's most common patterns to vanilla JavaScript

Breaking to a new row with flexbox

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You can break to a new flexbox row or column without setting the size of an item: add a collapsed flex item between two flex items

CSS masonry with flexbox, :nth-child(), and order

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Creating a masonry (or mosaic) layout with flexbox produces a grid with a seemingly shuffled and obscure order, but we can achieve a natural ordering by using :nth-child() and the order property

Common CSS Flexbox Layout Patterns with Example Code

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Quickly create grids, masonry, stacks and more layouts with these 10 CSS flexbox templates

Meaningful Motion with Action-Driven Animation

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Do something?
Do it

Simple guiding principles for making animations more meaningful

Data visualization with Chart.js: An introduction

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A step-by-step guide walking you through how to build your first interactive graph with Chart.js

10 Chart.js example charts to get you started

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10 Graph.js example graphs

A list of 10 graphs (bar chart, pie, line, etc.) with data set up to render charts that you can copy and paste into your projects

Moving along a curved path in CSS with layered animation

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We can apply one timing function per axis to produce curved paths, by using two or more objects to drive an animation.

How to animate box-shadow with silky smooth performance

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Spoiler-alert: you don't. You use a pseudo-element.

Google Web Font Inspiration with TypeSource

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I built a collection of compositions to make it easier to find and match Google Web Fonts.

Animating Link Underlines

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Hover this text

A quick trick: add a pseudo-element and animate it with CSS transitions on hover.

Common Mac OS X Cursors as PNGs

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OS X Cursor

I've prepared the most common OS X cursors in a short list, if you want to include cursors in your mockups.

Say hi.


I love to design and make things. I used to make things at Spotify and Minecraft, and am currently a design engineer at GitHub. Say hi!

Tobias Ahlin Bjerrome
Stockholm, Sweden