If this is displayed, nameserver change to iPage has worked

Defined within Bootstrap "container" class. The .container class provides a responsive fixed width container

Use the .container class to create a responsive, fixed-width container.

This container has a dark background color and a white text

This text is not within a bootstrap container.

Defined within Bootstrap "container-fluid" class. The The .container-fluid class provides a full width container, spanning the entire width of the viewport

Use the .container-fluid class to create a full width container, that will always span the entire width of the screen (width is always 100%):

This container has a blue background color and a white text