No, CSS is not a programming language, rather it just is a styling sheet language written in HTML, that helps in presenting our webpages in a good way other than the basic HTML in a beautiful way. Both HTML and CSS are very important to learn if you are delving into web development. So, if you are a beginner in programming, I would recommend you to enroll in online programming courses from Intellipaat which offers you instructor-led training and guided project-work and exercises in a dedicated time-frame. Also, watch our YouTube video on Top 5 Programming Languages to Learn in 2021 from our subject-matter experts.