The essential part of the “programming” HTML will be to indicate the classes (class in English) that the rendering engine must use to display an element. To display a button, you must do this as HTML Which gives this. Now, go to the bootstrap site and go down to the examples in the glyphicon section. What is most difficult is to have an overview of all the available classes and the rendering obtained. For example, it is impossible to change the number of rows and columns of a table, add a badge to a cell …To change the appearance of an HTML element, you must assign Bootstrap classes to it. Fortunately, there are sites that can make models online. You can also read this article which quickly presents 7 solutions online. Is simple and effective, the elements are deposited on the page. It will have to be done by hand at the time of coding.We are not going to go very far in programming HTML, there is enough to hold a whole blog on the subject.