You can also specify an alpha channel value with the function hsl(), which accepts an additional value from 0 to 1 and sets the transparency of the color. An external HTML5 and CSS3 Lessons style sheet is used to define the style for many HTML pages. If it’s a private event, watch out for people drinking alcohol or using mind-altering substances.

HTML5 and CSS3 Lessons

Using our learning experience platform, Percipio, your learners can engage in custom learning paths that can feature curated content from all sources. As for us, we’re planning to experience this event with family, friends, or co-workers, and we have our viewing glasses ready. Several of us have seen total solar eclipses in other parts of the country, and they were amazing. It is the account of Dan Wuori, an education policy consultant, who posts videos of babies and toddlers figuring out the world, often with parents as loving coaches. Mr. Wuori provides the color commentary, explaining key concepts in child development. Say you want your background color to transition from white at the top of the screen to blue at the bottom.

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We recommend reading this tutorial, in the sequence listed in the menu. This tutorial will teach you CSS from basic to advanced. This topic contains the following modules, in a suggested order for working through them.

HTML5 and CSS3 Lessons

Free code snippet templates for HTML, CSS, and JavaScript — Plus access to GitHub. Discover how to build interactive, responsive websites and assemble a coding toolkit you can apply immediately on the job. The demand for web developers is projected to grow 13 percent from 2019 to 2029, much faster than the average for all occupations. Whether you’re aiming to grow your front-end development skills or just looking to create an online presence, you stand to benefit from some HTML and CSS chops. The CSS color property defines the text color to be used. Upgrade to a Pro account and unlock more courses for accelerated learning.


You did a great job walking through that example, so now, I’ll show you how to tackle setting the background color of multiple elements on a page. Before the latest version of HTML, you could use the bgcolor attribute to change the background color of a page or element. When you’re finished with this course, you’ll have a foundational knowledge of HTML and CSS that will help you take your web development skills to the next level. The program is delivered both in a Blended Learning and Self-Paced mode and will help you stand out in tech-driven fields like design, marketing, product development, and more. At the core of creating applications for the web is a thorough knowledge of HTML and CSS.

  • To help you understand and apply your knowledge, this course features interactive playgrounds, where you can experiment and test your code to see the results in real-time.
  • Adding a class to an element will allow you to change that element only.
  • This course will teach you diverse styles that you can use to customise the list.
  • She added that taking them to a public event requires deciding if it’s best for them.

But, there are actually a few ways to specify your background colors. Next, I’ll review the different ways you can write colors in CSS. This module provides a gentle beginning to your path towards CSS mastery with the basics of how it works, what the syntax looks like, and how you can start using it to add styling to HTML. The CSS opacity property is added to an HTML element (such as a div or a table) or a CSS attribute (such as a class) to make those elements partially or fully transparent. Values for this property range from 0 to 1, with 0 being completely transparent and 1 being completely opaque.

Introduction to HTML5 & CSS3

Next, I’ll add inline CSS to change the background color of the table. 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 with respect to the viewport, and one another. This module carries on where CSS first steps left off — now you’ve gained familiarity with the language and its syntax, and got some basic experience with using it, it’s time to dive a bit deeper.

This function takes three values inside the parentheses, each specifying the intensity of red, green, and blue in the color. Each value is a number from 0 to 255, with 0 being the least intense and 255 being the most intense. Hex codes are the most popular format for adding color to page elements in HTML. A hex code is a hexadecimal (base 16) number preceded by a hash symbol (#).