The layout settings allow you to choose a dark or light theme and also to reset the layout
to the default layout if you have changed anything.
The default layout theme is Dark.
You can also select a light theme
You can customise the layout to your hearts content. Simply drag the top of the window
and drag it to a place you like aligning with the control that pops up when dragging.
You can always reset the layout by clicking reset in the layout settings.
