- #GET CSS FILE BACK THAT PREPROS WROTE OVER HOW TO#
- #GET CSS FILE BACK THAT PREPROS WROTE OVER ZIP FILE#
- #GET CSS FILE BACK THAT PREPROS WROTE OVER CODE#
CSS preprocessors make it easy to automate repetitive tasks, reduce the number of errors and code bloat, create reusable code snippets, and ensure backward compatibility.Įach CSS preprocessor has its own syntax that they compile into regular CSS so that browsers can render it on the client side. They enable us to use logic in our CSS code, such as variables, nesting, inheritance, mixins, functions, and mathematical operations. ( 2608 words)ĬSS preprocessors are scripting languages that extend the default capabilities of CSS. If we choose to build a web layout using floats, we will need a technique to clear those floats.īelow is the Clearfix Hack by Nicolas Gallagher, also used by the Bootstrap framework, turned into a Less mixin.Popular CSS Preprocessors With Examples: Sass, Less & Stylus By Anna Monus | Posted | 13 min. Mixins are a way of including (“mixing in”) a bunch of properties from one rule-set into another rule-set. Mixins in Less offer a way to package all the properties of a class so that we can reuse them as a property inside another class.
#GET CSS FILE BACK THAT PREPROS WROTE OVER HOW TO#
You’re free to use your favorite tool, it won’t affect the end result.įor an in-depth guide on how to use Prepros to precompile your Less code, Multilingual Preprocessing with Prepros by Ivaylo Gerchev will tell you all you need to know. This demo uses Prepros, a precompiler for Windows, Mac, and Linux available both as a free and a paid download. However, for a production site, the best option is server side precompiling with node.js or a third party tool. Ĭlient side compiling is great to get started with Less and experimenting with it. You can compile Less code both server side and client side.Ĭlient side compilation is as quick as adding demo.less and less.js (downloadable from the website) in the head section of your HTML document. However, only what we actually use for our project will be compiled into the resulting CSS document. The reference keyword is a great feature: now we have everything contained in bootstrap/variables.less and bootstrap/mixins.less at our fingertips. Less has six keywords that can be used with the directive: reference, inline, less, css, once, and multiple.
In this demo, we import our copy of the Bootstrap files into the demo.less file like so: (reference ) "bootstrap/variables.less" (reference ) "bootstrap/mixins.less" "bootstrap/normalize.less" "bootstrap/scaffolding.less" less files available to our demo, Less offers the directive. The files listed below need to be copied over from the Less folder of the downloaded source code into the demo’s bootstrap folder:Īlso, the entire content of the mixins directory of the Bootstrap source code needs to be copied over into the demo’s mixins folder. Make sure, you grab the Less source files. The Bootstrap files we need for this demo are available on the Bootstrap website. Here’s an added bonus of using the Less source code: a clean HTML document without any typical Bootstrap grid classes. different column display order on desktop and mobile viewīelow is what the outline of index.html looks like.But don’t be fooled – there’s enough in there to show the Bootstrap’s mixins goodness in action: Bootstrap components and JavaScript plugins are not used. The demo page consists of a simple two-column layout with header and footer. However, given the reduced size of this demo, we can get away with just one file. In a real world project, I’d break its contents into separate. All the Less code I write for this demo goes here. The project’s Less file, demo.less, is placed inside the less folder. The demo.css file will be added to the css folder, once the Less files are compiled. The index.html file goes straight inside the bs-mixins-demo folder. This also includes a mixins folder where we place the Bootstrap mixins. Here’s what the project’s directory structure looks like.Īll the Bootstrap files go into the bootstrap folder.
#GET CSS FILE BACK THAT PREPROS WROTE OVER ZIP FILE#
The Less features discussed here are all implemented in this compiled CodePen page and as this zip file so that you can freely see how the page looks, check the code details for yourself and experiment with it.
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