You should read up on it by checking out some of the pinned threads in this forum, as well as the slightly outdated http://www.sc2mapster.com/forums/resources/tutorials/20323-ui-sc2layout-files-override-method-aiurchef-method/. The code for moving the minimap and hiding the bottom consoles can be found in that thread, though you'd be adding them to a new SC2Layout in the UI Editor rather than importing them as an SC2Layout file. Regardless the code should be the same.
As for the black bar on the bottom, the code for that is:
You should read up on it by checking out some of the pinned threads in this forum, as well as the slightly outdated http://www.sc2mapster.com/forums/resources/tutorials/20323-ui-sc2layout-files-override-method-aiurchef-method/. The code for moving the minimap and hiding the bottom consoles can be found in that thread, though you'd be adding them to a new SC2Layout in the UI Editor rather than importing them as an SC2Layout file. Regardless the code should be the same.
As for the black bar on the bottom, the code for that is:
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