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Emberium Deck

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.

Glass bottle

Glass bottle

Wool scarf

Wool scarf

Leather wallet

Leather wallet

Running cap

Running cap

Cotton throw

Cotton throw

Rain jacket

Rain jacket

4Cinematic hero banner

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

Quality goods delivered to your door

We measure success by how many shoppers come back and tell their friends.

5Map placeholder

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

Emberium Deck267 Station Street, Copenhagen

6Custom 3:2 photo

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

Our guide to gifts under $50
3:2 · A three-step skincare routine that works

7Portrait team cards

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

Kai Mensah

Kai Mensah

Backend Engineer

Lucas Moreau

Lucas Moreau

Backend Engineer

Ravi Carter

Ravi Carter

Support Specialist

8Vertical stories

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

Story by Lea TanakaLea
Story by Diego SatoDiego
Story by Zoe WhitakerZoe
Story by Isla NguyenIsla

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.

A beginner's guide to getting started
tips

How to care for linen so it lasts for years

Apr 29, 2026

11Caption over a gradient

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

KyotoFree shipping

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
Hand cream
Hand cream$19.00
Glass bottle
Glass bottle$23.00
Ceramic mug
Ceramic mug$20.00

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.

14:52New

How we choose sustainable materials

11:00

A small guide to a calmer home

9:46

Five pieces for a capsule wardrobe

17Media list

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

  • Looking back at a busy season

    Oct 6, 2025 · 9 min read

  • Our favourite tips for busy weeks

    Nov 30, 2025 · 10 min read

  • How to choose the right product

    Jul 23, 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.

Thoughtful goods for a simpler home

19Round avatars

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

Finn Duarte
Finn
Ruby Patel
Ruby
Arjun Ortega
Arjun
Ava Fischer
Ava

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.