Welcome! Today, we're set to delve into a component of the CSS realm that brings your web pages to life: Effects and Interactivity. CSS provides a palette of properties like hover, transition, transform, and more, that can be applied to HTML elements to enhance user interactivity.

This lesson aims to explore these CSS properties that help us create dynamic and engaging web pages without the need for any additional JavaScript. Unlike traditional static web pages, interactive web pages provide a better user experience, keeping users engaged with visual feedback, animation-like behaviors, and more intuitive interfaces.

So, ready to dive in and jazz up your web pages with CSS interactivity? Let's get started!

The hover effect changes an element's appearance when you hover your cursor over it. This effect is achieved using the :hover pseudo-class.

Here's an illustrative example:

Transition effects in CSS provide a way to control animation speed when changing CSS properties. They allow us to smoothly change values over a specific duration.

Transitions have three main properties you can define:

• transition-property: This specifies the CSS properties to which the transition effect is applied. For example, if you want the effect to apply to the width of the element, then the property will be 'width.'