Flex box css12/19/2023 ![]() ![]() The space-between property is particularly useful when you want to craft a responsive menu that fills the entire width of a desktop browser, like we did with the Christina Seix Academy website. See the Pen Flexbox Horizontal Align by Alex Caldwell ( on CodePen. I like to use it for creating responsive menus that start at desktop sizes. See the Pen Flexbox Vertical Align by Alex Caldwell ( on CodePen.įurthermore, you can horizontally align items by setting the justify-content property to either flex-start, flex-end, center, space-between, or space-around. I left stretch out because it is what naturally happens in the first example. Below you’ll see these properties illustrated. Alternatively, you can align individual child elements with the property align-self. You can vertically align all child elements with the align-items property on the parent container by setting it to flex-start, flex-end, center, baseline, or stretch (the default). The align-items property in flexbox defaults to “stretch,” which leads me into my favorite feature of flexbox. It’s one of my favorite features of flexbox because I love orderly grids. Now flexbox handles the vertical height and floats by default. Matching heights vertically used to be somewhat difficult and would require jQuery after the page loaded. See the Pen Flexbox Scaling by Alex Caldwell ( on CodePen. I was very excited the first time I put display:flex on a parent element and saw the child elements form a nice orderly queue with matching heights. Scalingįlexbox is inherently good at dynamically scaling elements. Below, we’ll examine scaling, aligning, ordering, and wrapping with some flexbox CSS tips and CodePen examples. But honestly, I prefer to use media-queries and percentage-based widths for creating columns and rows. There are plenty of other uses for flexbox, like changing the direction of a column or row. These are best used on page components within a parent element. Personally, I like to use flexbox for a few main things: scaling, vertically and horizontally aligning, and re-ordering elements within a container. While there are fallbacks (linked above), the experience won’t look the same. Ask yourself if flexbox really solves an alignment, scale, or ordering issue that can’t be solved in a simpler way with basic CSS.ĭon’t use flexbox if you have a lot of traffic from IE8 and IE9. Jake Archibald has a good blog explaining why it’s a bad idea to use flexbox for overall page layout.ĭon’t add display:flex to every single container div. Furthermore, because the flexbox layout is dependent upon content, issues can arise as the page loads. Optimally you’d use a grid system in conjunction with flexbox to achieve the most responsive website. A basic grid system using percentages, max-widths, and media queries is a much safer approach for creating responsive page layouts. When not to use flexboxīefore I talk about how useful flexbox is, I want to touch on when flexbox overcomplicates things.ĭon’t use flexbox for page layout. Note, that we use Compass to compile our Sass. Obviously, feel free to use these three files on your own websites. The line at the top “$flexbox-support-threshold: -3 ” is to support the last three versions of flexbox, which is great for backward compatibility. We also use the Compass function to get specific browser prefixes, which you can find in this Sass style sheet. At Brolik, we implement a fallback system using a Sass style sheet and a javascript file to account for these older browsers. ![]() There are some problems in IE8 and IE9, but that’s to be expected. If you look at Flexbox on Can I Use? you’ll see that it has great support across the board. Using flexible widths and heights, elements can be aligned to fill a space or distribute space between elements, which makes it a great tool to use for responsive design systems.įlexbox has been around since 2009, and it’s beginning to be widely supported by all modern browsers. In this article, I’ll share some tips on when to (and when not to) use flexbox with some Sass and jQuery for backwards compatibility.įlexbox is a layout model that allows elements to align and distribute space within a container. ![]() The flexbox box layout is a great technological advancement on the web. When to use Flexbox By Alex Caldwell Tuesday December 22nd, 2015 ![]()
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