Book Image

Bootstrap 4 Cookbook

By : Ajdin Imsirovic
Book Image

Bootstrap 4 Cookbook

By: Ajdin Imsirovic

Overview of this book

Bootstrap, one of the most popular front-end frameworks, is perfectly built to design elegant, powerful, and responsive interfaces for professional-level web pages. It supports responsive design by dynamically adjusting your web page layout. Bootstrap 4 is a major update with many impressive changes that greatly enhance the end results produced by Bootstrap. This cookbook is a collection of great recipes that show you how to use all the latest features of Bootstrap to build compelling UIs. This book is using the most up-to-date version of Bootstrap 4 in all its chapters. First off, you will be shown how you can leverage the latest core features of Bootstrap 4 to create stunning web pages and responsive media. You will gradually move on to extending Bootstrap 4 with the help of plugins to build highly customized and powerful UIs. By the end of this book, you will know how to leverage, extend, and integrate bootstrap to achieve optimal results for your web projects.
Table of Contents (19 chapters)
Title Page
About the Author
About the Reviewer
Customer Feedback

Cleaning up unused CSS with UnCSS and Grunt

In this recipe, we will continue with CSS optimization. In the preceding recipe, we cherry-picked scss partials by simply commenting out those that were not used. For example, we did not use the alert component, so we commented out its Sass @include command in main.scss.

This time, the approach is different. We will use pretty much the same code in our main.scss file in this recipe; however, this time, we will not comment out anything. In other words, we will include all the partials. Then, we'll set up our Grunt task runner with another Grunt plugin, namely, the grunt-uncss plugin. Running the plugin command through our console, we will then take the compiled CSS file and clean it up by removing the unused CSS declarations from it, which will significantly reduce its file size.

Getting ready

To begin with, let's preview the completed recipe. Navigate to chapter9/complete/app/ and run harp server in your console. Next, open your browser and point...