This setting is only taking a look when select color and background.
If you want to set showcase color, background and disable Setting Bar, go to Templates Manager > AT-Templates > Global Tab
Select Advanced tab, then click on Module Style Selector
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Module Style: ATmodule1
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Module Style: ATmodule5
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Module Style: ATmodule2
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Module Style: ATmodule6
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Module Style: ATmodule3
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Module Style: ATmodule7
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Module Style: ATmodule4
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Module Style: ATmodule8