Contributions welcome. Take a hypothetical biography block that looks a little something like this: Fig.1. However, one day it dawned upon me that overwriting CSS declarations as the device width increased just didn’t make sense. I know, I know, this goes against the common convention we’ve learned over the years. run npm install from the root folder followed by npm start to fire up the test. Like all development methodologies, it may not be for everyone, but I’ve fallen into Generic First CSS quite naturally, I now see it as a valuable way of working that gives me all the benefits of mobile first with some positive new additions that make the tough job of front-end development that little be easier. “Mobile First” is so ubiquitous that it’s usually one of the “skills” questions a hiring manager will ask. 20 test runs measuring key load/render metrics of mobile first vs generic first CSS. It triggered a whole new wave of design thinking and wonderful new front-end techniques. Which of the following comes first in the correct order for the font properties in the font shorthand property? The CSS for these cases is a little verbose and could probably be written in much more concise terms, but it really just serves as a rough example to test the argument. I’d imagine there must be a tool that can do this. This works nicely — I’ve written a lot of CSS like this in the past. I can’t pinpoint exactly what made me change the way I write my CSS because it was really a natural progression for me that happened almost subconsciously. I think it’s safe to say that Ethan Marcotte’s Responsive Web Design was a welcome revelation for web developers the world over. Prerequisites: Basic computer literacy, basic software installed, basic knowledge of working with files, HTML basics (study Introduction to HTML), and an idea of how CSS works (study CSS first steps.) This feels like a bit of an anti-pattern. It has mainly been tested on Org-mode exports. An example of compartmentalized media queries. And finally, these benefits won’t cost you anything in performance terms, and in fact have been shown to have marginal speed gains! From my admittedly small dataset, it does seem like my initial suspicion may be correct. CSS that does exactly as intended, no second guessing. They create a modern and minimalistic look. Generic First CSS: New Thinking On Mobile First. We now have Generic First CSS: Yes, there are slightly more media queries, however, I see this as a benefit, any developer can now looks at this CSS and see exactly what styles are applied at each and every screen size without the cognitive overhead of having to pick apart media-query specificity. This can be great for people unfamiliar with the code base or even the future you! By putting performance at the … More about Alastair With the advent of responsive web design and the mobile-first approach, it’s been seven wonderful years since any new concepts have compelled us to adapt the way in … I can’t pinpoint exactly what made me change the way I write my CSS because it was really a natural progression for me that happened almost subconsciously. The issue with mobile first is that by definition you will most likely have to override mobile-first styles in subsequent media-queries. You might know shape-outside is for redefining the area by which text is floated around that element, allowing for some interesting design opportunities. The reign of the oft-despised m dot websites was also over. To answer that, I’ve devised a test case that can be used to measure any speed benefits or indeed drawbacks. This — for me — is one of the biggest benefits of the Generic First CSS technique. Now I don’t know for certain yet, but I have an inkling that fully compartmentalized media queries may have a slight performance benefit. I still wasn’t 100% happy with the above though, It seemed like there was still a major issue to overcome. Subscribe and get the Smart Interface Design Checklists PDF delivered to your inbox. One major unintended consequence of writing compartmentalized Generic First CSS is the experience you will get from your developer tools style panel. 2018-12-21T14:45:16+01:00 2018-12-21T16:34:19+00:00. This task is always performed on initial page load, but it can also be performed if page content changes or if other browser actions take place. I know, I know, this goes against the common convention we’ve learned over the years. The basic idea behind using Generic is to allow type (Integer, String, … etc and user-defined types) to … The first test case is a mobile-first cascading media queries example, the second test case is a generic first compartmentalized variant of the CSS. Alastair Generic First CSS: New Thinking On Mobile First Alastair Hodgson. The difference isn’t mind-blowing, but it is an improvement. From my admittedly small dataset, it does seem like my initial suspicion may be correct. The first selector above is a decendant selector. Generic tag selectors. Thank me later. The difference isn’t mind-blowing, but it is an improvement. Browsers perform a rendering task called computed style calculation. With the advent of responsive web design and the mobile-first approach, it’s been seven wonderful years since any new concepts have compelled us to adapt the way in which we write CSS at the base level. Aweb form's HTML is made up of one or more form controls (sometimes called widgets), plus some additional elements to help structur… The team I worked with had a nice SCSS workflow going on with a nifty little mixin for easily adding breakpoints within our CSS declarations. “Mobile First” is so ubiquitous that it’s usually one of the “skills” questions a hiring manager will ask. One major unintended consequence of writing compartmentalized Generic First CSS is the experience you will get from your developer tools style panel. And if anyone has suggestions on how to automate this test over a broader set of iterations, please let me know in the comments! doesn't support features such as viewpoint and media queries. This can be great for people unfamiliar with the code base or even the future you! This task is always performed on initial page load, but it can also be performed if page content changes or if other browser actions take place. 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