Start modifying how your pages look and feel in this introductory exploration of CSS.

Web Essentials

If you’re looking to style your front-end, this module is for you. You'll find it particularly useful if you're coming from some other area of software development, although prior experience is not required.

In this module, you will start with a short tour of CSS. You’ll get to experiment with it through examples that explain its role and behavior. From there, you will then dive deep into each technology, exploring concepts like CSS patterns to make your web pages look good.

By the end of this module, you will be able to beautify your own web applications.

Cascading Style Sheets (CSS)

The **em** is a relative font measurement. Why does it have a funny name, "EM"? What's that?

The "em" represents the size of the capital letter M. 

In CSS, 1em is equal to the user's default font size. This is usually the browsers default, `16px`. 

```

1em = 16px

```

1em may also represent the font size of the parent element. Which is why it is loosely described as the _"current font size"_.

 Since I'm not certain you understood that, let's see examples. 

A simple declaration with fonts looks like this:

Before We Begin

Getting started with CSS

Oh My Selectors!

CSS Fundamentals Everyone Should Know

Colors, colors, colors!

We all Need Units

Typography in CSS

The Box Model

Challenge: Practice with Texts, Margin, Padding and Borders

Getting creative with Backgrounds

Project: Build a Movie Order Page

Making Sense of CSS Gradients

Hands-on Practice with Gradients

Project: Build a Sign Up Page for a Startup

{New} Teach Me Positioning Like I'm Five

{New} A Detailed Look at CSS Variables ( a.k.a Custom Properties

{New} CSS Variables Real World Applications

{New} Long Live the CSS Grid

Final Words

Conclusion

Ems