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Mads Stoumann

I'm a web developer, graphic designer, type designer, musician, comicbook-geek, LEGO-collector, food lover … as well as husband and father, located just south of Copenhagen, Denmark.

Location Copenhagen Joined Joined on  Personal website https://stoumann.dk github website twitter website

Work

Co-Founder at Perfection.DEV

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CSS
JavaScript
Art with CSS Grid and SVG filters

Art with CSS Grid and SVG filters

26
Comments 7
2 min read

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Creating a Scroll Grid

Creating a Scroll Grid

5
Comments
4 min read
Can I Drive? Coding an Alcohol Tester

Can I Drive? Coding an Alcohol Tester

4
Comments
3 min read
Designing Better Tables: Using Popovers for Extra Data

Designing Better Tables: Using Popovers for Extra Data

44
Comments 10
4 min read
The Golden Ratio in CSS

The Golden Ratio in CSS

240
Comments 47
3 min read
CMYK, RGB, and Building a Color Visualizer

CMYK, RGB, and Building a Color Visualizer

4
Comments 2
4 min read
Alien Signals — 2-in-1 Challenge

Alien Signals — 2-in-1 Challenge

9
Comments
2 min read
The Periodic Table in CSS

The Periodic Table in CSS

119
Comments 25
4 min read
And the Oscar Goes to … Coding a Chronology Component

And the Oscar Goes to … Coding a Chronology Component

5
Comments 4
3 min read
The Solar System in CSS

The Solar System in CSS

266
Comments 50
3 min read
Line Numbers for <textarea> using SVG

Line Numbers for <textarea> using SVG

36
Comments 10
4 min read
Build A CSS Word Search Game In ... CSS!

Build A CSS Word Search Game In ... CSS!

22
Comments
2 min read
Sunday Fun: Re-creating a Radiohead cover

Sunday Fun: Re-creating a Radiohead cover

4
Comments 2
2 min read
A Trip To The Beach

A Trip To The Beach

6
Comments 1
2 min read
La Luzerne

La Luzerne

2
Comments
2 min read
Getting Creative with CSS Grid

Getting Creative with CSS Grid

44
Comments 6
3 min read
Wheel of Fortune with CSS

Wheel of Fortune with CSS

157
Comments 15
4 min read
Unleashing the Hidden Power of HTML Forms

Unleashing the Hidden Power of HTML Forms

31
Comments 2
3 min read
Eurovision Gradients

Eurovision Gradients

54
Comments 8
2 min read
Animating Numbers

Animating Numbers

49
Comments 7
4 min read
Small Tips for Styling Card Components

Small Tips for Styling Card Components

12
Comments 2
3 min read
Fetch with AbortController

Fetch with AbortController

5
Comments
1 min read
Camping with HTML and CSS

Camping with HTML and CSS

16
Comments 2
2 min read
Liquorice Allsorts

Liquorice Allsorts

31
Comments 4
2 min read
Styling Checkboxes and Switches

Styling Checkboxes and Switches

131
Comments 8
5 min read
A First Look at Apples New Switch Control

A First Look at Apples New Switch Control

7
Comments
2 min read
A Guide to Styling Tables

A Guide to Styling Tables

192
Comments 29
7 min read
What is Perfection.dev?

What is Perfection.dev?

3
Comments
5 min read
Creating a Bento-Layout with Perfection.dev

Creating a Bento-Layout with Perfection.dev

Comments 3
3 min read
Clocks & Countdowns: Timing in CSS and JavaScript

Clocks & Countdowns: Timing in CSS and JavaScript

131
Comments 36
4 min read
Syntax-Highlight CSS with Semantic HTML — and get Dark Mode for free

Syntax-Highlight CSS with Semantic HTML — and get Dark Mode for free

10
Comments 2
4 min read
Circle-Packing with Javascript and SVG — the Kusama Way

Circle-Packing with Javascript and SVG — the Kusama Way

15
Comments 4
2 min read
The Moon in 10241 Dots — Re-creating a 1969 Masterpiece

The Moon in 10241 Dots — Re-creating a 1969 Masterpiece

35
Comments 7
4 min read
In the Footsteps of Poul Gernes — Making an Interactive Art Poster

In the Footsteps of Poul Gernes — Making an Interactive Art Poster

14
Comments 10
3 min read
Re-creating a Japanese Fireworks Catalog from 1883 in CSS

Re-creating a Japanese Fireworks Catalog from 1883 in CSS

159
Comments 26
2 min read
Color Compare Range Slider

Color Compare Range Slider

9
Comments
2 min read
Using a Single Input for one-time-code

Using a Single Input for one-time-code

206
Comments 25
3 min read
Tetris Testimonial Quotes

Tetris Testimonial Quotes

30
Comments 4
1 min read
Configurable CSS Components

Configurable CSS Components

10
Comments 2
4 min read
Extending Emmet and VS Code — and discovering 415 CSS properties

Extending Emmet and VS Code — and discovering 415 CSS properties

10
Comments
9 min read
Recreating Apple's Color Picker Icon

Recreating Apple's Color Picker Icon

25
Comments 5
2 min read
Build a CSS Transition Tool for your editors

Build a CSS Transition Tool for your editors

13
Comments 1
3 min read
SVG, Geometry — and a dash of JavaScript

SVG, Geometry — and a dash of JavaScript

46
Comments 8
3 min read
Build a Multi-Language Countdown Component

Build a Multi-Language Countdown Component

13
Comments 2
4 min read
Creating a Word Wheel in CSS

Creating a Word Wheel in CSS

32
Comments 9
2 min read
Masking and coloring product images using CSS and SVG

Masking and coloring product images using CSS and SVG

47
Comments 6
3 min read
Creating SVG Icons from JSON

Creating SVG Icons from JSON

39
Comments
3 min read
Creating a Grid Visualizer

Creating a Grid Visualizer

11
Comments
3 min read
How to embed YouTube and Vimeo the light way

How to embed YouTube and Vimeo the light way

33
Comments 6
3 min read
Re-creating Apple’s Dark Mode Icon

Re-creating Apple’s Dark Mode Icon

25
Comments 6
2 min read
Showing "time ago" in a Social Feed using Intl.RelativeTimeFormat

Showing "time ago" in a Social Feed using Intl.RelativeTimeFormat

32
Comments 3
2 min read
Play Blur onblur

Play Blur onblur

9
Comments
2 min read
Learning from the Masters of Design

Learning from the Masters of Design

26
Comments 6
3 min read
Creating Global Components: A Checklist With Examples

Creating Global Components: A Checklist With Examples

60
Comments
7 min read
Introducing the EyeDropper API

Introducing the EyeDropper API

7
Comments
2 min read
Validating Markup: Write Your Own Snippet

Validating Markup: Write Your Own Snippet

44
Comments 4
2 min read
Build a CSS Ruler

Build a CSS Ruler

82
Comments 5
3 min read
Layered Gradient Playground

Layered Gradient Playground

32
Comments
1 min read
KAOSS! Fun with Web Audio

KAOSS! Fun with Web Audio

185
Comments 20
1 min read
Nested border-radius Playground

Nested border-radius Playground

32
Comments 4
1 min read
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