Moved from layout tab
Background color
The color of the background for each item
Moved from layout tab
Font size
The font size for the text (100% will keep the size of the template's original size)
New in 2.8
Shadow
The shadow for each item
New in 2.8
Border radius
The border radius for each item
New in 2.8
Border width
The border width for each item
New in 2.8
Border color
The border color for each item
Moved from advanced tab
CSS tweaks
CSS properties to add to the module to tweak the output

Example #weblinklogo_108 ul { color: white; } where 108 is the module id