Change attributes image discretion?

[IllusionGuy]

Hello Guys,

I’m working on the layout of the product display page, I want to change the layout of the images for attributes. What file do I need to edit to change this?
Right now the attributes images are displayed from top to bottom I want them to span from left to right then wrap to the next line if there are more then 4 wide.
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I want them to display like:
■ ■ ■ ■
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I’m guessing there is a brake or a div tag around the area I would think I could take out the brake or change the div with a span.

[Update] The title should be Direction not Discretion lol