---
title: "Responsive Web Design — Blackbook"
description: "Responsive design that works on every device. Blackbook designs digital solutions with flexible grid structures and scalable components."
canonical_url: https://www.blackbook.dk/en/services/responsive/
md_url: https://www.blackbook.dk/en/services/responsive/index.md
language: en
last_updated: 2026-09-10
---

# Responsive Web Design — Blackbook

Responsive design that works on every device. Blackbook designs digital solutions with flexible grid structures and scalable components.

> Alternate (Danish): https://www.blackbook.dk/services/responsive/index.md
> Provider: Blackbook — founded by Jeppe Sloth Carlsen (https://www.blackbook.dk/en/about/)
> Provider ID: https://www.blackbook.dk/#organization
> Founder ID: https://www.blackbook.dk/#person-jeppe
> Topics: Responsive web design, Mobile-friendly design, Mobile-first design
> Part of: Blackbook — digital design agency, Copenhagen (https://www.blackbook.dk/en/)
> LLM reference: https://www.blackbook.dk/llms.txt
> Full reference: https://www.blackbook.dk/llms-full.txt
> Markdown sitemap: https://www.blackbook.dk/sitemap.md
> Preferred citation URL: https://www.blackbook.dk/en/services/responsive/

## Services — Responsive

Responsive design that works on every screen

Blackbook designs responsively – not as an add-on, but as a starting point. Every design we make works across desktop, tablet and mobile, because we think in flexible grid structures and scalable components from the first sketch.

AI helps us test and validate responsive layouts faster – from automated viewport testing to intelligent content reordering.

## Mobile first is not a buzzword – it is a design decision

### Responsive web design across all devices

Most websites are visited more often from a phone than from a desktop. We design with that reality: content, navigation and interaction designed for the smallest screen first, and enriched from there. Not a desktop site shrunk down, but a mobile experience that grows.

## Performance is part of the design

Responsive is not just about layout – it is about speed. Images that scale, fonts that load correctly, and interactions that feel native on any device. We optimise for Core Web Vitals as part of the design process.

**What we deliver:** Responsive web design · Mobile first · Flexible grid systems · Scalable components · Touch optimisation · Performance optimisation · Cross-device testing

## For all digital solutions

Responsive design is not a service – it is a standard. We deliver it as an integrated part of every website, app or platform project.

If you need a design that works everywhere, [let's talk about your project](https://www.blackbook.dk/en/contact/).

## Selected cases

When mobile overtook desktop, everything was rebuilt. Work from the years when responsive design went from novelty to standard: websites for media, insurance, and retail, designed for every screen size from the start.

### EULAR conference website — Eli Lilly

- Responsive conference site for EULAR on behalf of Eli Lilly – three sections with articles, quizzes and interviews, supported by banners and magazine ads.
[Eli Lilly — Conference website](https://www.blackbook.dk/en/portfolio/lilly-eular-2016/)

### Digital identity and tagline — Lyngby Storcenter

- Redesigned Lyngby Storcenter's digital identity, reskinned the website, and created the centre's new tagline "Vi gør os umage".
[Lyngby Storcenter — Digital Identity](https://www.blackbook.dk/en/portfolio/lyngbystorcenter/)

### Responsive eCommerce web design — Eye Copenhagen

- Responsive e-commerce site for Eye Copenhagen with retailer directory and webshop – SEO-optimised platform that became the hub for all company activities.
[Eye Copenhagen — e-Commerce](https://www.blackbook.dk/en/portfolio/eye-copenhagen/)

### Responsive web design and social media — Rosengårdcentret

- Responsive WordPress site for Rosengårdcentret with store directory, YouTube, Instagram and 3D animation videos for social media.
[Rosengårdcentret — Webdesign](https://www.blackbook.dk/en/portfolio/rosengaardcentret/)

### Gamified product launch campaign — American Spirit

- Gamified internal campaign for JTI's American Spirit launch in 7/11 – app with quizzes, videos and a competition for store staff to win a trip to Santa Fe.
[American Spirit — Launch at 7/11](https://www.blackbook.dk/en/portfolio/jti/)

### Buy Local web portal and UX — MobilePay

- UX and design of web portal for the Buy Local campaign by Marketsquare and MobilePay. Find offers, events and shops in your city at prisdinby.dk.
[MobilePay — køb lokalt](https://www.blackbook.dk/en/portfolio/saet-pris-paa-din-by-koeb-lokalt/)

### Visual identity and marketing — Zenegy Brand

- Owned Zenegy's full digital footprint: logo, brand guidelines, app icons, website, Mailchimp templates, PowerPoint and video for social media and fairs.
[Zenegy - Brand — Corporate identity](https://www.blackbook.dk/en/portfolio/zenegy/)

### UX and design of fintech platform — Zenegy Framework

- As Head of UX, UI & Design at Zenegy, I led UX strategy, design system, white-label framework and design teams across three countries.
[Zenegy - Framework — Design UI / UX](https://www.blackbook.dk/en/portfolio/zenegy-framework/)

### Responsive site and design guidelines — Coverwise

- Designed a responsive website and simple checkout flow for Coverwise's Danish travel insurance launch.
[Coverwise — eCommerce](https://www.blackbook.dk/en/portfolio/coverwise/)

### WordPress site and brand identity — Marketsquare

- Designed a responsive WordPress site for advertising agency Marketsquare using "design in browser" – landing pages, banners and SEO for Markedsføring.dk.
[Marketsquare — Webdesign](https://www.blackbook.dk/en/portfolio/marketsquare/)

### eCommerce redesign of product grid — Pandora

- Redesigned Pandora's homepage, navigation and product display – changed grid from 4 to 3 vertical products, significantly increasing jewellery visibility.
[Pandora — eCommerce - pitch](https://www.blackbook.dk/en/portfolio/pandora/)

### Visual identity and WordPress — Bistro Sorte Hest

- CEO and Art Director for Bistro Sorte Hest. Designed logo, interior, WordPress site with table booking and social media for French bistro in Vesterbro.
[Bistro Sorte Hest — Visuel identitet](https://www.blackbook.dk/en/portfolio/bistro-sorte-hest/)

### CSS re-skinning and UX — Dansk Tandforsikring

- Re-skinning of Dansk Tandforsikring's WordPress site via CSS – tightened the UX and sourced visual imagery for the brand without touching the structure.
[Dansk Tand Forsikring — Re-skinning website](https://www.blackbook.dk/en/portfolio/dansk-tand-forsikring/)

### Responsive web design and video — Integral

- Responsive website for communications agency Integral – concept, front end, homepage video and case film production handled from start to finish.
[Integral — Corporate website](https://www.blackbook.dk/en/portfolio/integral/)

### One-page Parallax Web Design — Fugmann

- Designed and developed a responsive one-page parallax site for electrical company Fugmann – 100-year history, Facebook feed, video and case film.
[Fugmann — Corporate website](https://www.blackbook.dk/en/portfolio/fugmann/)

### Mobile-first eCommerce Platform — GoOrganic

- Designed a one-page parallax eCommerce platform for GoOrganic's nutritional supplements with a Mobile First approach.
[GoOrganic — eCommerce](https://www.blackbook.dk/en/portfolio/goorganic/)

### Responsive webshop and UX — Thiele Optik

- Responsive webshop for Thiele, Denmark's oldest optician chain, with search by gender, brand and style plus vision test booking as a conversion driver.
[Thiele — Responsive webshop - pitch](https://www.blackbook.dk/en/portfolio/thiele/)

### Responsive sustainable tourism web portal — UN

- Responsive parallax site for the UN Centre for Sustainable Development with a carbon calculator, climate project overview and blog on sustainable tourism.
[United Nations — Responsive webportal](https://www.blackbook.dk/en/portfolio/united-nations/)

### Responsive web design and social media — Terndrup's

- Designed a responsive website for catering and events agency Terndrup's with a clean design and integration with Facebook, Instagram and Pinterest.
[Terndrup's — Visuel identitet](https://www.blackbook.dk/en/portfolio/terndrups/)

### Pro-bono web design — Den Frie Juicebar

- Pro-bono web design for Den Frie Juicebar in Copenhagen with menus, map and integrated Instagram feed.
[Den Fri Juicebar — Company website](https://www.blackbook.dk/en/portfolio/den-fri-juicebar/)

### Web design with social feeds — Rialto Teatret

- Designed a website for Rialto Teatret with social feeds from YouTube, Facebook, Instagram and Twitter, plus production overview and ticket booking.
[Rialto:Teatret — Umbraco website](https://www.blackbook.dk/en/portfolio/rialtoteatret/)

### UX and mobile-optimised redesign — Sweetdeal

- Redesigned Sweetdeal's website in lighter tones with optimised mobile purchase flow. Programmed a banner package for the Sweetmarket and Sweetbox launch.
[Sweetdeal — Redesign af website](https://www.blackbook.dk/en/portfolio/sweetdeal/)

### WordPress Site for Leadership Development — Alegria

- WordPress site built from scratch for leadership development consultancy Alegria – design in browser, a one-page experience and a strong client reference.
[Alegria — Wordpress webside](https://www.blackbook.dk/en/portfolio/alegria/)

### Responsive travel universe, pitch — NOVASOL

- Responsive web concept for NOVASOL with travel categories like ski, beach and fishing – shifting from a booking engine to an inspiration platform.
[NOVASOL — Responsive website - pitch](https://www.blackbook.dk/en/portfolio/novasol/)

### Responsive Portal Redesign, Pitch — Oister

- Responsive redesign of Oister's portal – tighter visual direction and a consistent user experience across devices.
[Oister — Responsive Webdesign - pitch](https://www.blackbook.dk/en/portfolio/oister/)

### Corporate WordPress Site — Konsulenthuset Gunbak

- Designed a corporate WordPress site for Svend Gunbak's consultancy with clients including Mærsk – authoritative expression for CEOs and board chairs.
[Konsulenthuset Gunbak — Corporate website](https://www.blackbook.dk/en/portfolio/konsulenthuset-gunbak/)

### Viral marketing for Bibelselskabet — Noah's Ark

- Newspaper wrap for Kristligt Dagblad and responsive website for Noah's Ark. A photo in front of Amalienborg went viral and reached 100,000+ on Facebook.
[Noas Ark — Photo shoot](https://www.blackbook.dk/en/portfolio/bibelselskabet-noas-ark/)

## Related services

### Web Design Agency Copenhagen — Blackbook

- From information architecture to finished website. Blackbook builds websites that unite brand, user experience and conversion.
[Web Design](https://www.blackbook.dk/en/services/webdesign/)

### Corporate Website Design Copenhagen — Blackbook

- From front page to careers page. Blackbook builds corporate websites that create trust – with a CMS your own team can update.
[Corporate Websites](https://www.blackbook.dk/en/services/corporate-websites/)

### UX Agency & Product Design Copenhagen — Blackbook

- From user research and UX to a finished design system. Blackbook runs product design end to end – research, flows, UI and testing.
[UX & Product Design](https://www.blackbook.dk/en/services/ux-product-design/)

### Web Accessibility & WCAG 2.2 Design — Blackbook

- Contrast ratios, target sizes and WCAG 2.2 as design decisions – not patches. Blackbook designs accessible websites that pass the audit.
[WCAG · Accessibility](https://www.blackbook.dk/en/services/accessibility/)

### Landing Page Design That Converts — Blackbook

- From campaign page to product page. Blackbook designs landing pages with one message and one goal that convert, not distract.
[Landing Pages](https://www.blackbook.dk/en/services/landing-pages/)

### Website Redesign Agency Copenhagen — Blackbook

- A new design without starting over. Blackbook redesigns websites with respect for what works – content and SEO carried over.
[Website Redesign](https://www.blackbook.dk/en/services/website-redesign/)

## About Blackbook

Blackbook is a Copenhagen digital agency blending creativity and technology across UX, branding, websites and eCommerce.

Areas of expertise:

- [Apps & Products](https://www.blackbook.dk/en/area/apps-products/index.md)
- [Brand & Campaigns](https://www.blackbook.dk/en/area/brand-campaigns/index.md)
- [Websites & eCommerce](https://www.blackbook.dk/en/area/websites-ecommerce/index.md)

Key figures:

- 250+ Digital projects
- 150+ Clients
- 15+ Fortune 500
- 5+ Top 100 Brands
- 25+ Years experience

## Site

[Home](https://www.blackbook.dk/en/index.md)
[Portfolio](https://www.blackbook.dk/en/portfolio/index.md)
[About](https://www.blackbook.dk/en/about/index.md)
[Services](https://www.blackbook.dk/en/services/index.md)
[Experience](https://www.blackbook.dk/en/experience/index.md)
[Recognition](https://www.blackbook.dk/en/awards/index.md)
[Contact](https://www.blackbook.dk/en/contact/index.md)
[CV](https://www.blackbook.dk/en/cv/index.md)
[Journal](https://www.blackbook.dk/en/journal/index.md)

Blackbook · Jerichausgade 7 · 1777 Copenhagen · (+45) 31 10 79 13 · [jeppe@blackbook.dk](mailto:jeppe@blackbook.dk)
