Kilian Valkhof

Building https://polypane.app to help every developer and designer build better websites, faster.

Work

User experience developer at Polypane
Location

The Netherlands
Joined

Jun 26, 2019

Kilian Valkhof for Polypane

Aug 6

CSS breakpoints used by popular CSS frameworks

#css #webdev #design

4 min read

Recent Comments

re: 🧰 50 Developer tools to make your life a little easier Jul 28

Hey Iain, that's a great list! I noticed you missed an "n" at...

re: The complete guide to CSS media queries Jul 27

I usually do! (check my profile) but somehow this felt to lar...

re: What's the dark mode priority should be? Apr 30

localStorage because that's a more direct signal specifically...

re: Frontend Developer Resources Mar 25

Great list! If you're looking to combine some of those tool...

re: Giant List of Web Browsers Mar 24

Here's another one for the list: polypane.app, especially i...

re: I built my own browser Feb 13

Hi Felix, I launched Polypane in beta in 2017 and launched ...

re: The perfect responsive menu Oct 9 '19

Thanks Desolo! I haven't been here long but I plan to share...

re: Writing CSS in Dutch using PostCSS Jun 28 '19

For fun of course! Seems like you should make postcss-frisi...

Kilian Valkhof for Polypane

Jul 22

The complete guide to CSS media queries

#css #design #webdev

61 2

1 min read

Kilian Valkhof for Polypane

May 28

Creating files in JavaScript in your browser

#javascript #ux

3 min read

Kilian Valkhof

May 21

Accessibility is not like drowning

#a11y

12 1

3 min read

Kilian Valkhof for Polypane

May 19

For many, accessibility is an unknown unknown

#a11y #ux #webdev #design

19 1

4 min read

Kilian Valkhof for Polypane

May 4

Your dark mode toggle is broken

#css #design #webdev #ux

3 min read

Kilian Valkhof for Polypane

Apr 29

8 ways to increase your productivity as a web developer

#productivity #webdev #css

144 1

8 min read

Kilian Valkhof for Polypane

Apr 14

New online tools: CSS specificity calculator and color contrast checker

#a11y #design #css #webdev

2 min read

Kilian Valkhof for Polypane

Feb 13

#showdevI built my own browser

#webdev #showdev

10 3

5 min read

Kilian Valkhof for Polypane

Jan 29

4 CSS layouts without using media queries

#css #design #html #webdev

6 min read

Kilian Valkhof for Polypane

Jan 8

Using easing for more than just CSS transitions

#css #animation #design

4 min read

Kilian Valkhof for Polypane

Oct 14 '19

The box model is not layout

#css #design #layout

4 min read

Kilian Valkhof for Polypane

Oct 7 '19

The perfect responsive menu

#webdev #responsive #css #javascript

61 5

3 min read

Kilian Valkhof for Polypane

Jun 28 '19

Writing CSS in Dutch using PostCSS

#css #design #webdev #beginners

5 3

1 min read

Kilian Valkhof

skills/languages

learning/trying

projects and hacks

available for

CSS breakpoints used by popular CSS frameworks

Recent Comments

The complete guide to CSS media queries

Creating files in JavaScript in your browser

Accessibility is not like drowning

For many, accessibility is an unknown unknown

Your dark mode toggle is broken

8 ways to increase your productivity as a web developer

New online tools: CSS specificity calculator and color contrast checker

#showdevI built my own browser

4 CSS layouts without using media queries

Using easing for more than just CSS transitions

The box model is not layout

The perfect responsive menu

Writing CSS in Dutch using PostCSS

organizations

Trimage

fromscratch

electron-to-chromium

react-bytesize-icons

postcss-hocus

messenger-demo-viewer

electron-create-menu

react-xd-example

Kilian Valkhof

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