This guide is intended to carry out experiments or exercises with transitions and animations in CSS, applied to buttons, images, texts and more complete HTML elements; we will see the most basic approach to animations in CSS which would be using transitions, we will see multiple examples and limitations that we have when working with the simplest way to achieve animations in CSS which is the use of transitions. In later chapters we will also work with animations, we will learn about their characteristics, possible configurations, options and modes and with this, we will see a more comprehensive approach to achieving animation in CSS.