At this point we've already looked at CSS fundamentals, how to style text, and how to style and manipulate the boxes that your content sits inside. Now it's time to look at how to place your boxes in the right place in relation to the viewport, and one another. We have covered the necessary prerequisites so we can now dive deep into CSS layout, looking at different display settings, modern layout tools like flexbox, CSS grid, and positioning, and some of the legacy techniques you might still want to know about.
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Before starting this module, you should already:
These articles will provide instruction on the fundamental layout tools and techniques available in CSS. At the end of the lessons is an assessment to help you check your understanding of layout methods, by laying out a webpage.
- Introduction to CSS layout
- This article will recap some of the CSS layout features we've already touched upon in previous modules — such as different
displayvalues — and introduce some of the concepts we'll be covering throughout this module.
- Normal flow
- Elements on webpages lay themselves out according to normal flow - until we do something to change that. This article explains the basics of normal flow as a grounding for learning how to change it.
- Flexbox is a one-dimensional layout method for laying out items in rows or columns. Items flex to fill additional space and shrink to fit into smaller spaces. This article explains all the fundamentals. After studying this guide you can test your flexbox skills to check your understanding before moving on.
- CSS Grid Layout is a two-dimensional layout system for the web. It lets you lay content out in rows and columns, and has many features that make building complex layouts straightforward. This article will give you all you need to know to get started with page layout, then test your grid skills before moving on.
- Originally for floating images inside blocks of text, the
floatproperty became one of the most commonly used tools for creating multiple column layouts on webpages. With the advent of Flexbox and Grid it has now returned to its original purpose, as this article explains.
- Positioning allows you to take elements out of the normal document layout flow, and make them behave differently, for example sitting on top of one another, or always remaining in the same place inside the browser viewport. This article explains the different
positionvalues, and how to use them.
- Multiple-column layout
- The multiple-column layout specification gives you a method of laying content out in columns, as you might see in a newspaper. This article explains how to use this feature.
- Responsive design
- As more diverse screen sizes have appeared on web-enabled devices, the concept of responsive web design (RWD) has appeared: a set of practices that allows web pages to alter their layout and appearance to suit different screen widths, resolutions, etc. It is an idea that changed the way we design for a multi-device web, and in this article we'll help you understand the main techniques you need to know to master it.
- Beginner's guide to media queries
- The CSS Media Query gives you a way to apply CSS only when the browser and device environment matches a rule that you specify, for example "viewport is wider than 480 pixels". Media queries are a key part of responsive web design, as they allow you to create different layouts depending on the size of the viewport, but they can also be used to detect other things about the environment your site is running on, for example whether the user is using a touchscreen rather than a mouse. In this lesson you will first learn about the syntax used in media queries, and then move on to use them in a worked example showing how a simple design might be made responsive.
- Legacy layout methods
- Grid systems are a very common feature used in CSS layouts, and before CSS Grid Layout they tended to be implemented using floats or other layout features. You imagine your layout as a set number of columns (e.g. 4, 6, or 12), and then fit your content columns inside these imaginary columns. In this article we'll explore how these older methods work, in order that you understand how they were used if you work on an older project.
- Supporting older browsers
In this module we recommend using Flexbox and Grid as the main layout methods for your designs. However there will be visitors to your site who use older browsers, or browsers which do not support the methods you have used. This will always be the case on the web — as new features are developed, different browsers will prioritise different things. This article explains how to use modern web techniques without locking out users of older technology.
- Assessment: Fundamental layout comprehension
- An assessment to test your knowledge of different layout methods by laying out a webpage.
- Practical positioning examples
- This article shows how to build some real world examples to illustrate what kinds of things you can do with positioning.