Book Image

Professional CSS3

By : Piotr Sikora
Book Image

Professional CSS3

By: Piotr Sikora

Overview of this book

CSS is the preferred technology to design modern web pages. Although CSS is often perceived as a simple language, applying modern styles to web pages with CSS and maintaining the code for larger websites can be quite tricky. We will take you right from understanding CSS to designing high-quality web pages in CSS3. We'll quickly take you through CSS3's features, and show you how to resolve common issues so you can build your basic framework. Finally, you will learn about code architecture and CSS methodologies used in scalable apps and you'll explore the various new features of CSS3, such as FlexBox, to help you create the most modern layout methodologies. By the end of the book, you will be a master at creating pure CSS web pages and will know sophisticated web design techniques, giving you an edge over other web designers.
Table of Contents (16 chapters)
15
Index

Media queries – where can you use it

Media queries are filters set in CSS code, which help to describe the website for a bunch of displays (screen, print). In media queries, the mostly used filters are min/max width, min/max height, min/max pixel ratio, and min/max aspect ratio.

How to build media queries

It's pretty simple to first create a media query and then create more complicated filters. The basic media query looks like the following:

@media screen and (min-width: 640px)
  .element
    background: #000

Compiled CSS:

@media screen and (min-width: 640px) {
    .element {
        background: #000;
    }
}

With this media query, you are filtering all CSS declarations for a screen whose minimal width is 640px. Let's try to make it more complex and let's try to create some more media queries for specific devices.

How media queries work?

Media queries are filters, as mentioned previously. But let's try to see it in code and browser. This simple chapter will show you how...