CircleExpandHover
Expands a circle from the center of the panel when it is hovered.
Arguments
(Optional) Color col Color of the circle
(Optional) Number speed Speed at which it will radiate outwards
Example
local but = vgui.Create("DButton")
but:ClearPaint()
:Circle(Color(40, 40, 40, 255))
:CircleExpandHover(Color(255, 255, 255, 10), 15)
:Text("×", "Trebuchet48")