Практика по HTML и CSS is an Android application developed by webref.ru for those who want to learn HTML5 and CSS3. The application offers over 200 practice exercises with automatic verification of the entered result. Users can write the code and see how it will look in the browser. The application is free of cost and falls under the Education & Reference category.

The application is divided into eight topics, namely HTML elements, text, images, links, lists, tables, forms, and audio and video. Each topic contains several tasks that help users practice their HTML and CSS skills. The app provides an excellent platform for beginners who want to learn HTML and CSS and for those who want to improve their existing skills.