Mosaic CSS Grid

Behold the power of the CSS Grid auto organization ¨\_(*0*)_/¨

Mosaic CSS Grid auto organization with a bunch of images at differents sizes finding a place to fit.

Online Test

https://treedbox.github.io/mosaic-css-grid

FAQ

1. What makes the grid so well organized?

.mosaic{
  grid-auto-flow: dense;
}

2. How to join 2 (or more) grid cells?

In a grid where the cells are:

1 2 3 4
5 6 7 8

Supose that we select the 2nd cell:

.mosaic div:nth-child(2){
  grid-column: span 2;
}

The 2nd cell will span for two cells, reaching the next column:

1 2-2 3
4 5 6 7
8

And:

.mosaic div:nth-child(2){
  grid-row: span 2;
}

The 2nd cell will span for two cells, reaching the next row:

1 2-2 3
4 2-2 5
6 7 8 9

Because of dense at grid-auto-flow: dense;, the grid will realocate all others cells organized where it fits best.

3. How to make those round corners without holes?

For the cells:

.mosaic div{
  border-radius: 8px;
  box-shadow: 0 0 0 4px #fff inset;
  outline: 4px #fff solid;
  outline-offset: -4px;
}

Make sure that the border-radius is 2 times bigger than box-shadow, outline and outline-offset, e.g. If you want a round border of 5px you should set border-radius: 10px and all other 5px, like:

.mosaic div{
  border-radius: 10px;
  box-shadow: 0 0 0 5px #fff inset;
  outline: 5px #fff solid;
  outline-offset: -5px;
}

• outline-offset: -5px; make the outline stay over the holes between the cells.

Also set a border for the grid to compensate the gap size difference compared with the borders of the gid:

.mosaic{
  border: 4px solid #fff;
}

4px for border-radius: 8px; of the cells, or 5px for border-radius: 10px;

Tested on

• Google Chrome 66

• Firefox 60

Photos

Location

• Jalapão
  • Pedra furada (Holed stone)
  • Fervedouro (Boil place)
  • Dunas do jalapão (Dunes of the jalapão)
  • Lago das Dunas do jalapão (Lake of the Dunes of the jalapão)
  • Morro da catedral (Cathedral hill)
  • Cachoeira da velha (Old woman's waterfall)
  • Prainha da Cachoeira da velha (Small beach of the Old woman's waterfall)
  • Cachoeira véu de Noiva (Bride Veil waterfall)
  • Cachoeira do formiga (Ant's waterfall)
  • Árvore de buriti (Buriti tree)
  • Rio Formoso (Beautiful river)
  • Rio Novo (New river)
  • Tartaruga tracajá do Rio Novo ( tortoise tracaja of the new river)

Photos © Jonivon Amaral Marques: Jalapão's Tourist guide

Meta

Front-End Developer: Jonimar Marques Policarpo

Twitter: @treedbox

E-mail: treedbox@gmail.com

Site: treedbox

License

MIT © TreedBox

https://github.com/treedbox/mosaic-css-grid