You just built an impressive webpage using the Bootstrap CSS framework. Nice work!
Let's take a moment to review the core concepts learned in this lesson
CSS Framework: Set of prewritten CSS rules designed to help you build webpages faster.
Bootstrap Grid: 12 equal-sized columns which can be utilized via Bootstrap classes to build responsive page layouts quickly and reliably.
row: Arranges HTML elements in rows, and can be useful when building headers/navigation menus, main feature sections, supporting content sections and footers.
jumbotron: Used to create large showcase sections featuring important content.
col-sm-*: Used to span a specified number of columns on the Bootstrap grid. The "sm" is short for "small", and maintains desired CSS layouts on small screens (tablet-sized).
text-right: Bootstrap class used to orient text to the right side of the webpage.
btn btn-primary: Bootstrap class used to style page elements as buttons.