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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.

Safari adventure

Safari adventure

Vineyard stay

Vineyard stay

Weekend getaway

Weekend getaway

Island hopping tour

Island hopping tour

Ocean view suite

Ocean view suite

Mountain lodge

Mountain lodge

4Cinematic hero banner

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

Stay somewhere unforgettable

We find the best price, and if you see it cheaper we match it.

5Map placeholder

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

Tideio144 Riverside Drive, Lisbon

6Custom 3:2 photo

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

Our favourite tips for busy weeks
3:2 · Our favourite small hotels this year

7Portrait team cards

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

Lea Haddad

Lea Haddad

Finance Lead

Omar Ibrahim

Omar Ibrahim

Operations Manager

Ella Ortega

Ella Ortega

HR Partner

8Vertical stories

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

Story by Maya PatelMaya
Story by Noah HarlowNoah
Story by Priya VargaPriya
Story by Amara KowalskiAmara

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.

How to pack for two weeks with one bag
product

Hidden beaches of the Mediterranean

Nov 8, 2025

11Caption over a gradient

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

PortoAirport transfers

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
Safari adventure
Safari adventure$1,950
Vineyard stay
Vineyard stay$217.00
Mountain lodge
Mountain lodge$240.99

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.

14:00New

Three days in Lisbon, hour by hour

13:15

How to choose the right trip

7:15

A first-timer's guide to safari

17Media list

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

  • Ten weekend escapes within two hours of home

    Dec 5, 2025 · 3 min read

  • How to travel more responsibly

    Apr 29, 2026 · 12 min read

  • Travelling with kids: our tried and tested tips

    Mar 21, 2026 · 8 min read

18Responsive ratio

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

Explore more, worry less

19Round avatars

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

Samir Brennan
Samir
Liam Rossi
Liam
Ruby Larsen
Ruby
Nora Moreau
Nora

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.