Preface

Conventions Used in This Book

The following typographical conventions are used in this book:

Italic: Indicates new terms, URLs, email addresses, filenames, and file extensions.
Constant width: Used for program listings, as well as within paragraphs to refer to program elements such as variable or function names, databases, data types, environment variables, statements, and keywords.
Constant width bold: Shows commands or other text that should be typed literally by the user.
Constant width italic: Shows text that should be replaced with user-supplied values or by values determined by context.

Note

This element signifies a general note, tip, or suggestion.

Using Code Examples

Whenever you come across an icon that looks like , it means there is an associated code example. Live examples are available at http://standardista.com/flexbox/flexfiles. You can either click the icon while reading this book to go directly to a live version of the code example referenced, or visit the link for a list of all of the code examples found in these chapters.

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We appreciate, but do not require, attribution. An attribution usually includes the title, author, publisher, and ISBN. For example: “Flexible Boxes in CSS by Estelle Weyl (O’Reilly). Copyright 2017 Estelle Weyl, 978-1-491-98142-9.”

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