This is a simple contact form, which is using class Jumbotron for the header. This class is a lightweight, flexible component that can optionally extend the entire viewport to showcase the header part of the snippet. In the second part, the form is placed in the container. The container helps to deal with responsive behavior of the form. FormGroup is used along with the FormContainers, to display the labels and types. An addon is used to display the email icon for email FormControl. This is all placed in the class InputGroup. The snippet used column setting for medium devices for each formGroup. The style is limited to jumbotron class and header.