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Ratio

The ratio helper keeps a box at a fixed aspect ratio whatever its width, which is perfect for media placeholders, thumbnails, galleries and banners. Pick ratio-1x1, ratio-4x3, ratio-16x9 or ratio-21x9, or set any ratio with the --ui-aspect-ratio variable.

1The four built-in ratios

ratio-1x1, ratio-4x3, ratio-16x9 and ratio-21x9 next to each other, filled with a plain div.

1:1
4:3
16:9
21:9

2Video placeholder

A 16:9 poster image with a centred play button, ready for a video player of your choice.

Video poster

3Square product thumbnails

ratio-1x1 with object-fit-cover gives every product the same tile, whatever the photo size.

Logo refresh

Logo refresh

Brand sprint

Brand sprint

Website package

Website package

Launch campaign

Launch campaign

Landing page

Landing page

Print collateral

Print collateral

4Cinematic hero banner

ratio-21x9 for a wide banner with a headline overlay.

Bold ideas, beautifully executed

Small teams, short feedback loops and no handoffs lost in translation.

5Map placeholder

A 4:3 box reserved for a map, showing the address until the map loads.

Nimbusan191 Cedar Lane, Copenhagen

6Custom 3:2 photo

Any ratio works with the --ui-aspect-ratio variable: 2 / 3 = 66.67% for classic photo prints.

How to choose the right project
3:2 · Planning a month of social content in a day

7Portrait team cards

A 3:4 portrait ratio (133.33%) for team photos in cards.

Hana Fischer

Hana Fischer

HR Partner

Arjun Ortega

Arjun Ortega

Operations Manager

Finn Haddad

Finn Haddad

Frontend Engineer

8Vertical stories

A 9:16 ratio (177.78%) for phone sized stories or short clips in a scrolling row.

Story by Mason LarsenMason
Story by Luna HughesLuna
Story by Nadia WhitakerNadia
Story by Zoe LindqvistZoe

9Chart area

A 16:9 box that keeps a simple bar chart in proportion on every screen.

Monthly bookings

10Blog card cover

ratio-16x9 as a card image keeps every post card in a grid the same height.

Choosing colours that sell
community

Five website mistakes that cost you leads

Jul 22, 2026

11Caption over a gradient

A 4:3 image with a gradient overlay so white caption text stays readable.

EdinburghUX research

12Mixed ratio gallery

Combining 1:1, 4:3 and 16:9 tiles in one responsive grid.

Gallery photo 1
Gallery photo 2
Gallery photo 3
Gallery photo 4

13Thumbnails in table cells

A small ratio-1x1 box keeps order line images square inside a table.

ImageItemPrice
Design retainer
Design retainer$3,550
Video edit
Video edit$2,450
Website package
Website package$9,150

14Empty cover placeholder

A dashed 4:3 area that reserves space for an image that has not been chosen yet.

No cover image yet

15Colour swatches

Empty square ratios make perfect colour swatches for a style guide.

primary

primary

secondary

secondary

success

success

info

info

warning

warning

danger

danger

16Video thumbnails with badges

Duration and status badges positioned over 16:9 thumbnails.

8:23New

Looking back at a busy season

11:37

Lessons from a year of client workshops

14:14

How we ran a rebrand in eight weeks

17Media list

Fixed width 4:3 thumbnails beside article titles in a reading list.

  • A beginner's guide to getting started

    Jan 29, 2026 · 10 min read

  • What our clients asked us most

    Mar 30, 2026 · 9 min read

  • Our favourite tips for busy weeks

    Apr 11, 2026 · 4 min read

18Responsive ratio

A small custom class changes --ui-aspect-ratio per breakpoint: square on phones, 21:9 on tablets and up.

Creative work with measurable results

19Round avatars

ratio-1x1 with rounded-circle keeps profile pictures perfectly round even when the source is not square.

Mia Kowalski
Mia
Noah Ibrahim
Noah
Mateo Mensah
Mateo
Omar Novak
Omar

20Loading skeleton

A 16:9 placeholder block with placeholder-glow while the real image and text load.

The skeleton reserves the exact space, so the page does not jump when content arrives.