Is it possible for flex items to align tightly to the items above them?

Asked 27/12, 2015 at 13:16 Answered 20/4, 2017 at 20:12

This is, in effect, the Pinterest layout. However, the solutions found online are wrapped in columns, which means the container inadvertently grows horizontally. That is not the Pinterest layout, and it does not work well with dynamically-loaded content.

What I want to do is have a bunch of images of fixed width and asymmetrical height, laid out horizontally but wrapping in a new row when the limits of the fixed-width container are met:

Can flexbox do this, or do I have to resort to a JS solution like Masonry?

Civilize answered 27/12, 2015 at 13:16 Comment(7)

It is not clear what the order of your elements should be and it is quite important. Could you add numbers to them? – Visby 27/12, 2015 at 13:29

I though about that, but it might restrict the possible answers. I do know that the top three would be 1, 2, 3 from left to right, but I don't really care if 4 is placed below 1, 2 or 3. (If vertical placement is the criteria, it should be below 3; if it is horizontal placement, it should be below 1.) Anything goes! – Civilize 27/12, 2015 at 13:34

No flexbox is not good solution for this layout, you should use masonry or in worst case css columns, its similar to my answer on this question so it might help you #34417559 – Bibliomancy 27/12, 2015 at 13:47

#8470570 – Andel 27/12, 2015 at 16:5

A bit late at the party, here's the answer to a similar question by Evan Sharp, author of the Pinterest script and co-founder of Pinterest, explaining the logic. – Visby 3/3, 2017 at 19:39

@Michael_B I believe Evan Sharp's answer and his logic should be promoted for the efficiency and lightness of the script, outlined in the last sentence. The bar is set pretty high for all other options. – Visby 3/3, 2017 at 20:11

@AndreiGheorghiu, this particular question was asking if there's a way to achieve a Pinterest-like layout with flexbox. I focused my answer on that priority. That's why the alternatives are at the end. They don't address the question. I included them solely for informational purposes. – Cookstove 3/3, 2017 at 20:20

Flexbox is a "1-dimensional" layout system: It can align items along horizontal OR vertical lines.

A true grid system is "2-dimensional": It can align items along horizontal AND vertical lines. In other words, cells can span across columns and rows, which flexbox cannot do.

This is why flexbox has a limited capacity for building grids. It's also a reason why the W3C has developed another CSS3 technology, Grid Layout (see below).

In a flex container with flex-flow: row wrap, flex items must wrap to new rows.

This means that a flex item cannot wrap under another item in the same row.

Notice above how div #3 wraps below div #1, creating a new row. It cannot wrap beneath div #2.

As a result, when items aren't the tallest in the row, white space remains, creating unsightly gaps.

^{image credit: Jefree Sujit}

`column wrap` Solution

If you switch to flex-flow: column wrap, flex items will stack vertically and a grid-like layout is more attainable. However, a column-direction container has three potential problems right off the bat:

It expands the container horizontally, not vertically (like the Pinterest layout).
It requires the container to have a fixed height, so the items know where to wrap.
As of this writing, it has a deficiency in all major browsers where the container doesn't expand to accommodate additional columns.

As a result, a column-direction container may not be feasible in many cases.

Other Solutions

Add containers

In the first two images above, consider wrapping items 2 and 3 in a separate container. This new container can be a sibling to item 1. Done.

Here's a detailed example: Calculator keypad layout with flexbox

One downside worth highlighting: If you're wanting to use the order property to re-arrange your layout (such as in media queries), this method may eliminate that option.
Desandro Masonry

Masonry is a JavaScript grid layout library. It works by placing elements in optimal position based on available vertical space, sort of like a mason fitting stones in a wall.

^{source: http://masonry.desandro.com/}
How to Build a Site that Works Like Pinterest

[Pinterest] really is a cool site, but what I find interesting is how these pinboards are laid out... So the purpose of this tutorial is to re-create this responsive block effect ourselves...

^{source: https://benholland.me/javascript/2012/02/20/how-to-build-a-site-that-works-like-pinterest.html}
CSS Grid Layout Module Level 1

This CSS module defines a two-dimensional grid-based layout system, optimized for user interface design. In the grid layout model, the children of a grid container can be positioned into arbitrary slots in a predefined flexible or fixed-size layout grid.

^{source: https://drafts.csswg.org/css-grid/}

Grid Layout example: CSS-only masonry layout but with elements ordered horizontally

Cookstove answered 27/12, 2015 at 13:59 Comment(0)

What you want can be achieved in 3 2 ways, CSS wise:

flexbox: =

 .parent {
     display: flex;
     flex-direction: column;
     flex-wrap: wrap;
     max-width: {max-width-of-container} /* normally 100%, in a relative container */
     min-height: {min-height-of-container}; /* i'd use vh here */
 }
 .child {
     width: {column-width};
     display: block;
 }

CSS columns = (this solution has the very neat advantage of built-in column-span - pretty handy for titles). The disadvantage is ordering items in columns (first column contains first third of the items and so on...). I made a jsFiddle for this.

 .parent {
     -webkit-columns: {column width} {number of columns}; /* Chrome, Safari, Opera */
     -moz-columns: {column width} {number of columns}; /* Firefox */
     columns: {column width} {number of columns};
 }
 .child {
      width: {column width};
 }
 /* where {column width} is usually fixed size 
  * and {number of columns} is the maximum number of columns.
  * Additionally, to avoid breaks inside your elements, you want to add:
  */
 .child {
     display: inline-block;
     -webkit-column-break-inside: avoid;
     page-break-inside: avoid;
     break-inside: avoid-column;
 }

Masonry plugin

absolute positioning after calculating rendered item sizes, via JavaScript (masonry plugin).

Visby answered 27/12, 2015 at 13:46 Comment(4)

#1 does not work for me on the latest Firefox (I should update with a playground example; will do so). #2 actually came very close with a few quirks to be worked out, but I understand it uses the new CSS grid system that has very poor browser support. – Civilize 27/12, 2015 at 15:5

You're right about #1. I wasn't able to make it work using flex. Not sure what you mean by "very poor browser support". Can you point me to some numbers, please? I think #2 has problems for less than 5% of users. Correct me if I'm wrong. – Visby 27/12, 2015 at 17:33

If you look at the Usage Relative stats, the grid system is unsupported for a huge number of users, so it's probably not production-ready yet. It's a great solution though, thanks for that. caniuse.com/#search=grid – Civilize 29/12, 2015 at 15:44

Fascinating. Can you spot any differences between grid and columns? – Visby 29/12, 2015 at 16:13

You can achieve the masonry effect as per your screenshot, but you've set the height of the outer div dynamically

html {
  box-sizing: border-box;
}
*,
*:before,
*:after {
  box-sizing: inherit;
}
.item-list {
  max-width: 400px;
  border: 1px solid red;
  display: -ms-flexbox;
	-ms-flex-direction: column;
	-ms-flex-wrap: wrap;
	display: flex;
	flex-direction: column;
	flex-wrap: wrap;
	height: 100vw;
}
.item-list__item {
  border: 1px solid green;
  width: 50%;
}

<div class="item-list" >
  <div class="item-list__item">
    Is we miles ready he might going. Own books built put civil fully blind fanny. Projection appearance at of admiration no. As he totally cousins warrant besides ashamed do. Therefore by applauded acuteness supported affection it. Except had sex limits
    county enough the figure former add. Do sang my he next mr soon. It merely waited do unable.
  </div>
  <div class="item-list__item">
    Is we miles ready he might going. Own books built put civil fully blind fanny. Projection appearance at of admiration no. As he totally cousins warrant besides ashamed do.
  </div>
  <div class="item-list__item">
    Is we miles ready he might going. Own books built put civil fully blind fanny. Projection appearance at of admiration no. As he totally cousins warrant besides ashamed do. Therefore by applauded acuteness supported affection it. Except had sex limits
  </div>
  <div class="item-list__item">
    Is we miles ready he might going. Own books built put civil fully blind fanny. Projection appearance at of admiration no. As he totally cousins warrant besides ashamed do.
  </div>
  <div class="item-list__item">
    Is we miles ready he might going. Own books built put civil fully blind fanny. Projection appearance at of admiration no. As he totally cousins warrant besides ashamed do. Therefore by applauded acuteness supported affection it. Except had sex limits
  </div>
</div>

Sigmoid answered 8/8, 2016 at 18:54 Comment(0)

Instead of flexbox, I recommend to use columns for grids like this. As you can see, the spacing on the bottom images can be better, but for a native CSS solution I think it's pretty neat. No more JS:

.container {
  max-width: 900px;
  width: 100%;
  margin: 0 auto;
}

ul {
  margin: 0;
  padding: 0;
}

ul li {
  list-style: none;
  font-size: 0;
}

.portfolio ul {
  -moz-column-count: 4;
  -webkit-column-count: 4;
  column-count: 4;
  -moz-column-gap: 3px;
  -webkit-column-gap: 3px;
  column-gap: 3px;
}

.portfolio ul:hover img {
  opacity: 0.3;
}

.portfolio ul:hover img:hover {
  opacity: 1;
}

.portfolio ul li {
  margin-bottom: 3px;
}

.portfolio ul li img {
  max-width: 100%;
  transition: 0.8s opacity;
}

<section class="container portfolio">
  <ul>
    <li><img src="http://lantosistvan.com/temp/freecodecamp/IMG_2959-1400px.jpg" alt="" /></li>
    <li><img src="http://lantosistvan.com/temp/freecodecamp/lantosistvan-portfolio-010.jpg" alt="" /></li>
    <li><img src="http://lantosistvan.com/temp/freecodecamp/IMG_6188-dng-k.jpg" alt="" /></li>
    <li><img src="http://lantosistvan.com/temp/freecodecamp/20151220-csaladi-peregi-046-k.jpg" alt="" /></li>
    <li><img src="http://lantosistvan.com/temp/freecodecamp/20151230-csalad-szalai-0194-k.jpg" alt="" /></li>
    <li><img src="http://lantosistvan.com/temp/freecodecamp/lantosistvan-portfolio-001(1).jpg" alt="" /></li>
    <li><img src="http://lantosistvan.com/temp/freecodecamp/160528171819-portfolio.jpg" alt="" /></li>
    <li><img src="http://lantosistvan.com/temp/freecodecamp/160528171829-portfolio.jpg" alt="" /></li>
    <li><img src="http://lantosistvan.com/temp/freecodecamp/160528171938-portfolio.jpg" alt="" /></li>
    <li><img src="http://lantosistvan.com/temp/freecodecamp/160528171953-portfolio.jpg" alt="" /></li>
    <li><img src="http://lantosistvan.com/temp/freecodecamp/160528194754-portfolio.jpg" alt="" /></li>
    <li><img src="http://lantosistvan.com/temp/freecodecamp/160528184948-portfolio.jpg" alt="" /></li>
  </ul>
</section>

Rozanne answered 29/11, 2016 at 13:25 Comment(1)

That looks good, but the order of the elements is wrong. The challenging part is to lay out the elements horizontally, then wrap vertically. – Civilize 23/1, 2017 at 19:9

the column approach seems a good compromise if you set column-width via vmin or vmax units and drop column-count (first snippet) , display:grid and vmin is also an option for the futur (second snippet).

snippet inspired from @Lanti answer.

test demo with vmin

.container {

}

ul {
  margin: 0;
  padding: 0;
}

ul li {
  list-style: none;
  font-size: 0;
}

.portfolio ul {
  -webkit-column-width:50vmin;
     -moz-column-width:50vmin;
          column-width:50vmin;
  -webkit-column-fill:balance;
     -moz-column-fill:balance;
          column-fill:balance;
  -webkit-column-gap: 3px;
     -moz-column-gap: 3px;
          column-gap: 3px;
}

.portfolio ul:hover img {
  opacity: 0.3;
}

.portfolio ul:hover img:hover {
  opacity: 1;
}

.portfolio ul li {
  margin-bottom: 3px;
}

.portfolio ul li img {
  max-width: 100%;
  transition: 0.8s opacity;
}

<section class="container portfolio">
  <ul>
    <li><img src="http://lantosistvan.com/temp/freecodecamp/IMG_2959-1400px.jpg" alt="" /></li>
    <li><img src="http://lantosistvan.com/temp/freecodecamp/lantosistvan-portfolio-010.jpg" alt="" /></li>
    <li><img src="http://lantosistvan.com/temp/freecodecamp/IMG_6188-dng-k.jpg" alt="" /></li>
    <li><img src="http://lantosistvan.com/temp/freecodecamp/20151220-csaladi-peregi-046-k.jpg" alt="" /></li>
    <li><img src="http://lantosistvan.com/temp/freecodecamp/20151230-csalad-szalai-0194-k.jpg" alt="" /></li>
    <li><img src="http://lantosistvan.com/temp/freecodecamp/lantosistvan-portfolio-001(1).jpg" alt="" /></li>
    <li><img src="http://lantosistvan.com/temp/freecodecamp/160528171819-portfolio.jpg" alt="" /></li>
    <li><img src="http://lantosistvan.com/temp/freecodecamp/160528171829-portfolio.jpg" alt="" /></li>
    <li><img src="http://lantosistvan.com/temp/freecodecamp/160528171938-portfolio.jpg" alt="" /></li>
    <li><img src="http://lantosistvan.com/temp/freecodecamp/160528171953-portfolio.jpg" alt="" /></li>
    <li><img src="http://lantosistvan.com/temp/freecodecamp/160528194754-portfolio.jpg" alt="" /></li>
    <li><img src="http://lantosistvan.com/temp/freecodecamp/160528184948-portfolio.jpg" alt="" /></li>
  </ul>
</section>

a link among others https://web-design-weekly.com/2014/11/18/viewport-units-vw-vh-vmin-vmax/

display:grid coud make it also easy with auto-fill but will require to set a span value to tallest image so rows and columns can inbricate

.container {}

ul {
  margin: 0;
  padding: 0;
}

ul li {
  list-style: none;
  font-size: 0;
}

.portfolio ul {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(50vmin, 1fr));
  grid-gap: 5px;
  grid-auto-rows: minmax(10px, 1fr);
  grid-auto-flow: dense;
}

.portfolio ul:hover img {
  opacity: 0.3;
}

.portfolio ul:hover img:hover {
  opacity: 1;
}

.portfolio ul li {
  margin-bottom: 3px;
}

.portfolio ul li img {
  max-width: 100%;
  transition: 0.8s opacity;
}

li {
  border: solid blue;
  grid-row-end: span 1;
  display: flex;
  align-items: center;
  background: lightgray;
}

li:nth-child(1),
li:nth-child(3),
li:nth-child(6),
li:nth-child(7),
li:nth-child(8),
li:nth-child(9),
li:nth-child(10),
li:nth-child(11) {
  border: solid red;
  grid-row-end: span 2
}

<section class="container portfolio">
  <ul>
    <li><img src="http://lantosistvan.com/temp/freecodecamp/IMG_2959-1400px.jpg" alt="" /></li>
    <li><img src="http://lantosistvan.com/temp/freecodecamp/lantosistvan-portfolio-010.jpg" alt="" /></li>
    <li><img src="http://lantosistvan.com/temp/freecodecamp/IMG_6188-dng-k.jpg" alt="" /></li>
    <li><img src="http://lantosistvan.com/temp/freecodecamp/20151220-csaladi-peregi-046-k.jpg" alt="" /></li>
    <li><img src="http://lantosistvan.com/temp/freecodecamp/20151230-csalad-szalai-0194-k.jpg" alt="" /></li>
    <li><img src="http://lantosistvan.com/temp/freecodecamp/lantosistvan-portfolio-001(1).jpg" alt="" /></li>
    <li><img src="http://lantosistvan.com/temp/freecodecamp/160528171819-portfolio.jpg" alt="" /></li>
    <li><img src="http://lantosistvan.com/temp/freecodecamp/160528171829-portfolio.jpg" alt="" /></li>
    <li><img src="http://lantosistvan.com/temp/freecodecamp/160528171938-portfolio.jpg" alt="" /></li>
    <li><img src="http://lantosistvan.com/temp/freecodecamp/160528171953-portfolio.jpg" alt="" /></li>
    <li><img src="http://lantosistvan.com/temp/freecodecamp/160528194754-portfolio.jpg" alt="" /></li>
    <li><img src="http://lantosistvan.com/temp/freecodecamp/160528184948-portfolio.jpg" alt="" /></li>
  </ul>
</section>

you can see https://css-tricks.com/snippets/css/complete-guide-grid/

Stalwart answered 20/4, 2017 at 20:12 Comment(1)

The order of images in the first snippet is wrong, that's the problem with arranging in columns. But the second one seems to be on point! Really nice – Civilize 21/4, 2017 at 13:36

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