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CSS Shapes 101

A how-to with a bunch of classy examples by Sara Soueidan.…

11 comments

Dealing with Content Images in Email

Let's say you're using an RSS-to-Email service. They're pretty useful. Plenty of people like subscribing to content via email. You have a CMS that generates RSS from the content you create. An RSS-to-Email service can watch for new entries, format …

Picturefill 2

This is important because:

  1. Picturefill was a great solution already, and this brings it into the future encouraging the use of the future proper syntax.
  2. You not only can use <picture> but <img srcset> too, which is a close cousin
91 comments

Inline SVG vs Icon Fonts [CAGEMATCH]

If you're building an icon system for a site, you have some options. If you know the icons need to be raster images, then you'll likely be using CSS sprites. If the icons will be vector images (much more …

50 comments

Handling z-index

Managing z-index across large sites can be a pain in the butt. CSS is hard to test, so it's notoriously easy to make a change that ends up, for instance, hiding some important UI under who-knows-where.

If you use …

12 Little-Known CSS Facts

Sometimes these types of articles are cheezy and filled with fairly obvious stuff, but not when Louis Lazaris does them. All of these are pretty non-obvious. …

34 comments

Animating SVG with CSS

There isn't just one way to animate SVG. There is the <animate></animate> tag that goes right into the SVG code. There are libraries that help with it like Snap.svg or SVG.js. We're going to look at another way: using …

22 comments

Features Are Complicated

Why can't I edit my tweets?! Twitter should allow that.

It's so simple right? CRUD apps (Create, Read, Update, and Delete) are app-building 101! What a gross oversight. But wait. Just as a fun nerdy little exercise, let's think about

The decline of the mobile web

Chris Dixon:

Mobile is the future. What wins mobile, wins the Internet. Right now, apps are winning and the web is losing.

John Gruber:

We shouldn’t think of “the web” as only what renders in web browsers. We should think …

43 comments

Frosting Glass with CSS Filters

The following is a guest post by Bear Travis, a Web Standards Engineer at Adobe. I'm a fan of how Adobe is pushing the web forward with new design capabilities, and doing it in a responsible way. CSS filters is

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Stripes in CSS

Stripes are pretty easy to do in CSS these days. CSS gradients via the background-image property really got our back. I thought I'd document some variations in one easy to reference place.…

42 comments

Hassle Free Responsive Images for WordPress

The following post is guest co-authored by Tim Evko (@tevko). WordPress has a built-in media uploading system. When you upload an image, it automatically creates and saves different versions of it. Tim will show us how we can

Spring-cleaning Unused CSS

Addy Osmani intros a Grunt task for removing unused CSS from your stylesheet before serving it.

While this is certainly a worthy goal, I look at the quotes from people who reduced their stylesheets by 3/4 or more and I'm …

20 comments

Rotated Table Column Headers

Say you have a table header (i.e. <th></th>) of "Number of Howler Monkey Species by Country" and the data in the corresponding <td></td> is like "3". That's an awkward mismatch of width.…

39 comments

Hatin’ on Web Tech

This article "Shadow DOM" by Steven Wittens is only vaguely about the Shadow DOM. It's mostly about how awful everything is. HTML sucks, CSS sucks, the DOM sucks, SVG sucks, MathML sucks... I don't want to pick on Steven. He …

CDNify Podcast

I joined Jamie Ashbrook and Ben Briggs to talk about SVG and tooling and whatnot. …

15 comments

SVG & WordPress Custom Fields

The following is a guest post by Ian Marquette. Ian learned that SVG can have a <text></text> element, meaning that text could come from a dynamic source while still being able to do cool custom SVG-specific stuff to it.

The Web Ahead

I chatted with Jen Simmons about flexbox and the general future of the web.…

58 comments

New Poll: Sharing Buttons

Throughout the life of this site, I've flipflopped (nope, yep) on whether or not I show social sharing buttons on articles. As anything, there are arguments in either direction. We can cover that briefly, but I also …

Crafting link underlines on Medium

Quite the in-depth exploration of underlined text on the web by Marcin Wichary.

In the end, linear-gradient won the day with the most control, best look, and best performance. Some people have been playing with it on CodePen. …

24 comments

Poll Results: Command Line Usage

About 22,000 CSS-Tricks visitors voted in the last poll about command line usage, which asked:

On average, how many commands do you run from the command line each work day?

The result: there is a lot of people at all …

84 comments

Design v11

I redesigned this site a smidge. It's not a huge re-thinking or as big of an undertaking as v10 was, but it's different enough I'm going to call it v11.…

My Advice to Young Designers and Developers

Andy Budd:

Should they continue their studies or jump straight into the labour market? I usually tell them that ability trumps education and I don’t put much faith on the current raft of tech degrees. So I’d prefer to see …

69 comments

On CodeKit 2.0

The following is a guest post by Bryan Jones, the creator of CodeKit. I've been using CodeKit for a couple of years now and I've talked about it plenty. In my opinion it changed the game in front end

Fluidity

It's a fun little soundbite to talk about how the web is responsive right out of the box. With no authored CSS at all, a website will flow to whatever screen width is available. If your site isn't responsive, you

106 comments

Icon System with SVG Sprites

I've been a big proponent of icon fonts. Lots of sites really need a system for icons, and icon fonts offer a damn fine system. However, I think assuming you're good with IE 9+, using inline SVG and the …

18 comments

Popping Out of Hidden Overflow

The following is a guest post by Agop Shirinian. Agop ran into an interesting scenario where he needed an element to be scrollable in one direction, while allowing the overflow in the other direction. You'd think that's what overflow-x

36 comments

Flexbox Bar Navigation Demo

Someone wrote in to me asking how to create a simple bar navigation with icons. This is a pretty simple layout thing that could be accomplished loads of different ways. List items as inline-block probably makes the most sense in …

css perf

Mark Otto "derping around with measuring CSS performance". Nothing looks particularly concerning to me, to the point where I would change how I do things. The most surprising numbers were in background vs background-color, but Paul Irish debunks that

srcset in Chrome

It's worth noting that the srcset attribute for the img element has landed in Chromium (Chrome will get it in 34, Opera 21). Their example: <img alt="A rad wolf." src="pic1x.jpg" srcset="pic1x.jpg 1x, pic2x.jpg 2x, pic4x.jpg 4x"> And:

Stay tuned for …

111 comments

CSS Gradients

This article was originally published on March 2, 2010. It was updated April 1, 2011, July 20, 2011, and again March 3, 2014, each time to clarify and correct browser prefixes and best practices.

Just as you can declare the …

Responsive Strategy

Responsive design is a pretty well defined strategy, but how you come at it can vary quite a bit. Brad Frost covers the angles. …

Confused About REM and EM?

Jeremy Church:

While em is relative to the font-size of its direct or nearest parent, rem is only relative to the html (root) font-size.

Jeremy tends to favor em, because of the ability to control an area of a …

58 comments

Float Labels with CSS

You've probably seen this pattern going around. It's an input that appears as if it has placeholder text in it, but when you click/tap into that input, that text moves out of the way and allows you to type there. …

35 comments

Stackicons: Doing More with Icon Fonts

The following is a guest post by Parker Bennett. While icon fonts are efficient and easy to use and scaleable and all that, one of the classic "strikes" against them is that the icon can only be one color.

30 comments

Posting Code Blocks on a WordPress Site

So you've installed WordPress and want to blog about code. Yay! You're a hero and I thank on behalf of myself an coders everywhere. Here's what you'll need to do and think about to actually get publishing blocks of code.…

17 comments

Sticking Around

I'll be danged if I can find it but someone tweeted to @CodePen the other day something like: "Is it worth it for me to go PRO? Or are you going to up and shut down one day like so

*May or may not contain any actual "CSS" or "Tricks".