1. Introduction

In this tutorial, we will explore the various CSS properties that you can use to manipulate the background of HTML elements. By the end of this guide, you will understand how to use properties like 'background-color', 'background-image', 'background-repeat', and more to create visually captivating websites.

This tutorial assumes that you have a basic understanding of HTML and CSS. If you're new to these technologies, you may want to familiarize yourself with them before proceeding.

2. Step-by-Step Guide

Background-Color

The background-color property sets the background color of an element. It accepts color values as parameters.

Example:

body {
  background-color: lightblue;
}

The above code will set the background color of the body element to light blue.

Background-Image

The background-image property sets one or more background images for an element.

Example:

body {
  background-image: url("image.jpg");
}

This code sets an image as the background of the body element.

Background-Repeat

The background-repeat property sets if/how a background image will be repeated.

Example:

body {
  background-image: url("image.jpg");
  background-repeat: no-repeat;
}

This code prevents the background image from repeating.

3. Code Examples

Example 1: Setting a Background Color

body {
  /* This sets the background color of the body to light blue */
  background-color: lightblue;
}

After applying this CSS, you should see that the entire webpage's background color is light blue.

Example 2: Setting a Background Image and Stopping it from Repeating

body {
  /* This sets an image as the background */
  background-image: url("image.jpg");

  /* This prevents the background image from repeating */
  background-repeat: no-repeat;
}

After applying this CSS, you should see the image set as the webpage's background, and it will not repeat.

4. Summary

In this tutorial, we have covered the basics of working with CSS background properties. We learned how to change the background color of an element, set a background image, and control whether the image repeats.

To expand your knowledge, you might want to look into other background properties such as background-size, background-clip, and background-blend-mode.

5. Practice Exercises

Exercise 1: Set the background color of a div element to green.

Solution:

div {
  background-color: green;
}

Here, we are simply setting the background color of the div element to green.

Exercise 2: Set a background image for the body element and make it repeat horizontally.

Solution:

body {
  background-image: url("image.jpg");
  background-repeat: repeat-x;
}

Here, we set an image as the background for the body element and make it repeat horizontally using repeat-x.

Remember, the best way to learn is by doing. So, try to apply these concepts in your projects. Keep practicing and have fun coding!