How to fill the whole width with an image carousel?

[myCharlie]

For reference I'm following the Youtube videos below for my first website.

• For the carousel:
• For general start to finish:

I couldn't get the carousel image container to fill the whole width of the browser. Any help is much appreciated.

And here's the width and height settings of the container.

 

[Community]

Try going to the surrounding container, going to advance, then putting zero in both padding and margin boxes, even though they have nothing in them, they sometimes have a default value that needs overriding