If the answer is “depends on what browser support you need”, I really wouldn’t know or couldn’t predict exactly who might visit my commercial site.Should prefix code be inserted as a safeguard, OR is it deleterious to add vendor flex prefix code if said vendor has provided full flex compliance in more recent browser versions?Bottom line: is it just a good idea to add vendor prefixing for flex at this stage of the game and is there any possible downside for doing it now (8/2016)?You can get some useful insights (and ones very specific to your site and users) by installing Google Analytics. So you can confidently use flexbox for CSS layout rules.Centering text in the absolute center has traditionally been one of those common problems with clunky solutions Flexbox solves. Let me know when you can shiv it back to ie9.hey guys, need help here. It’s an organization, and a democracy, guided by the people and companies that invented the web and continue to use to everyone’s benefit.It should probably be noted that the W3C documents recommendations, not requirements.
Do I have that right?Great tutorial. I found it helpful to see what is coming along the horizon. It also includes history, demos, patterns, and a browser support chart. Facebook. The company I contract for right now uses IE8 so I have to wait until they move to newer version of IE. I wish there was more ‘Complete Guides’ like this out there.

bottom of the container:Use flexbox to create a responsive image gallery that varies between four, Thanks. Here is the solution that I came up with:I started on an idea for HTML as a presentation format using flex.Can someone point me to a tutorial or demo of using iframe within a flexbox container. Just starting to experiment with Flex box (mainly used columns and just plain inline + widths in the past) and this is so awesomely easy. It really fast-tracked my understanding of using the flexbox model.One of the hardest things to wrap my head around was the flex-grow, flex-shrink and flex-basis properties. They don’t I guess it has something to do with the flex-shrink and flex-grow but I’m not sure.Is it possible to have a max-width on the container and then center that container? :pI just updated Firefox to v20 on a mac and now all of the flex-box demos aren’t working. Why not leave it as default or set to auto?What was changed since the update to the article was needed?Hey Glen! I need to know how to get rid of the gap. I am using BS4.Good tutorial all though I think you should discuss and elaborate on this code:As it was a bit confusing once viewed in the CodePen – maybe even a link to obtain more information. Use only CSS/CSS3.Note: Particular para line Margin top value support all browser(Mozilla, Chrome, Safari) as per match PDF. A consistent browser implementation will make life so much easier for creating layouts.Am I the only one that thinks this ‘article’ should be in the “article” section?Chris, I couldn’t vertically align some content in print media, do you know where I could find more information about this kind of support?Not all browsers support paged media, does the paged media example work without the flexbox?What does 22+ (new), in the Firefox support table means?Meaning version 22 of Firefox which is the newest version at the time the article was written.Nice tutorial. One improvement was the introduction of the calc() function that could use percentages and static units together, but even with that it was still hard to read code. Can not code proper flexbox designs without it. But the last example “mobile-first 3-columns layout with full-width header and footer” in my 34.0.1847.131 chrome didn’t make the two sidebars half of the size of the main content.Thank you for introducing me to the wonderful world of flexboxes! The only page needed when flexing CSS. So lets say when the .item2 & .item3 are both absent, based on my css above, the .item1 shows at the top/start of my .container – which is not really desirable because if .item1 is the only element in the container, I want it to behave as if the container has justify-content: center instead.Requirement: So in other words, if the total height of my child elements is more than the parent container height, I want the ‘flex-start’ behavior but if the total height of child elements is less than the parent container height, then I want the ‘center’ behavior of the flex box.The values of space-between, space-around, space-evenly for justify-conten might work fine when the .container height is larger than the total height of the children, but in my example when each of the .item1/.item2/.item3 are present inside the .container, the .item1 and .item3 remain partially outside the .container which is not desirable.Now I am sure there is a javascript way of doing this but I am wondering if you have a few css-tricks up your sleeves that will achieve this in a simple elegant css way. Both Flexbox and Grid layout have their pro’s and cons. display: none; est très utile pour masquer ou afficher facilement des éléments en CSS ou en Javascripts sans avoir à les supprimer et les recréer dan… I’m not clear on whether I would still need prefixing on any flex code as of this writing in August 2016. ?oops, sorry, my comment was for the whole board, not just to your post.This really threw me off for a while…wondering why the boxes werent the widths I expected. If flex-direction = column, that will align items along the cross axis. This was easy to understand and extremely helpful for a new project we’re working on.Thanks for this great tutorial!