4. Leveraging the Less Built-in Functions | LESS WEB DEVELOPMENT COOKBOOK

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LESS WEB DEVELOPMENT COOKBOOK

By : Jobsen, Meyghani

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LESS WEB DEVELOPMENT COOKBOOK

5 (1)

By: Jobsen, Meyghani

Buy this Book

Overview of this book

Aimed at those who want to overcome the limitations of CSS, through this book you will begin to harness the efficiency of Less by building advanced, responsive, and modern websites. Experienced web developers, students, and even web designers will find this guide very useful as they enhance their CSS skills.

Preface

What this book covers

What you need for this book

Who this book is for

Sections

Conventions

Reader feedback

Customer support

Free Chapter

1. Getting to Grips with the Basics of Less

Introduction

Downloading, installing, and integrating less.js

Installing the lessc compiler with npm

Using less.js with Rhino

Declaring variables with Less for commonly used values

Setting the properties of CSS styles with mixins

Writing more intuitive code and making inheritance clear with nested rules

Creating complex relationships between properties

Using the built-in functions of Less

Using namespaces to make your code reusable and portable

2. Debugging and Documenting Your Less Code

Introduction

Debugging your code with less.js

Using CSS source maps to debug your code

Using Chrome Developer Tools to debug your code

Commenting your code in Less

Building style guides with tdcss.js

Building style guides with StyleDocco

3. Using Variables and Mixins

Introduction

Deriving a set of variables from a single base variable

Value escaping with the ~"value" syntax

Using variable interpolation

Redeclaring variables based on lazy loading

Using mixins to set properties

Declaring a class and mixin at once

Using selectors inside mixins

Using parametric mixins

4. Leveraging the Less Built-in Functions

Introduction

Converting units with the convert() function

Using the default() function

Embedding images with data URIs

Formatting strings

Replacing a text within a string

Working with lists

Using mathematical functions

Using the color() function

Evaluating the type of a value

Creating color objects with RGB values

Getting information about a color

Creating a color variant with the darken() and lighten() functions

Creating overlays of two colors with Less

5. Extending and Referencing

Introduction

Referencing parent selectors with the & operator

Referencing to the parent selector more than once

Changing the selecting order with the & operator

Using extend to merge selectors

Using extend inside a ruleset

Extending with the all keyword

Extending with media queries

Using extend to reduce the compiled CSS size

Using extend as an alternative for a mixin

6. Advanced Less Coding

Introduction

Giving your rules importance with the !important statement

Using mixins with multiple parameters

Using duplicate mixin names

Building a switch to leverage argument matching

Avoiding individual parameters to leverage the @arguments variable

Using the @rest... variable to use mixins with a variable number of arguments

Using mixins as functions

Passing rulesets to mixins

Using mixin guards (as an alternative for the if…else statements)

Building loops leveraging mixin guards

Applying guards to the CSS selectors

Creating color contrasts with Less

Changing the background color dynamically

Aggregating values under a single property

7. Leveraging Libraries with Prebuilt Mixins

Introduction

Importing and downloading prebuilt mixin libraries

Using namespacing with prebuilt libraries

Creating background gradients

Building unlimited gradients with Less Hat

Building a layout with the CSS3 flexbox module

Getting retina ready with Preboot

Generating font-face declarations with Clearless

Improving your website's SEO with 3L mixins

Leveraging sprite images with Pre

Creating bidirectional styling without code duplication

Creating animations with animations.css

Creating animations with More.less

Building semantic grids with semantic.gs

Building an alternative for fluid grids with Frameless

Building a fluid responsive grid system

8. Building a Layout with Less

Introduction

Using CSS Reset with Less

Importing and organizing your Less files

Importing files with the @import directive

Building a grid with grid classes

Creating responsive grids

Building a semantic grid with mixins

Applying the flexbox grid on your design

Integrating a navigation menu in the layout

Repositioning your content

9. Using Bootstrap with Less

Introduction

Downloading and installing Bootstrap

Customizing Bootstrap with variables

Making custom buttons

Making custom panels

Making custom navigation bars

Extending components using :extend

Reusing Bootstrap's grid

Using Bootstrap classes and mixins

Extending Bootstrap with your own mixins

Making custom color schemes with 1pxdeep

Autoprefixing Bootstrap's CSS

10. Less and WordPress

Introduction

Installing WordPress

Developing your WordPress theme with Less

Integrating Bootstrap into your WordPress theme

Using Semantic UI to theme your WordPress website

Customizing Roots.io with Less

Building a WordPress website with the JBST theme

11. Compiling Less Real Time for Development Using Grunt

Introduction

Installing Node and Grunt

Installing Grunt plugins

Utilizing the Gruntfile.js file

Loading Grunt tasks

Adding a configuration definition for a plugin

Adding the Less compiler task

Creating CSS source maps with the Less compiler task

Cleaning and minimizing your code

Adding the watch task

Adding the connect and open task

Adding the concurrent task

Analyzing your code with CSS Lint

Removing unused CSS using Grunt

Compiling style guides with Grunt

Automatically prefix your code with Grunt

Installing the Grunt LiveReload plugin

Index

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LESS WEB DEVELOPMENT COOKBOOK

By : Jobsen, Meyghani

LESS WEB DEVELOPMENT COOKBOOK

By: Jobsen, Meyghani

Overview of this book

Embedding images with data URIs

Getting ready

How to do it

How it works…

LESS WEB DEVELOPMENT COOKBOOK

By : Jobsen, Meyghani

LESS WEB DEVELOPMENT COOKBOOK

By: Jobsen, Meyghani

Overview of this book

Embedding images with data URIs

Getting ready

How to do it

How it works…

Confirmation

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