The Full Width Content Block, the content of the widget will span edge to edge on the website.
The Full Width Page Banner Block at the top and bottom can have content spanning edge to edge on the website.
100% Content Block found in middle of the page would have white space added on both sides of the widget.
The Full Width Page Banner Block at the top and bottom can have content spanning edge to edge on the website. 70% Main Content Block widget will not span to the edge of the page, white space will be added to left of the widget. 30% Side Content Block widget will not span to the edge of the page, white space will be added to right of the widget. If the page is zoomed in, the Content blocks for the 2 columns could appear stacked instead of side by side.
The Full Width Page Banner Block at the top and bottom can have content spanning edge to edge on the website. 30% Side Content Block widget will not span to the edge of the page, white space will be added to left of the widget. 70% Main Content Block widget will not span to the edge of the page, white space will be added to right of the widget.
The Full Width Page Banner Block at the top and bottom can have content spanning edge to edge on the website. 50% Main Content Block widget will not span to the edge of the page, white space will be added to the left or right of the widget respectively.