The background-clip property controls the painting area of the background.
Value
Description
border-box
The background is clipped at the outer edge of the border (default). The extent of the fill to the outer edge of the border is only evident if the border isn't solid e.g. dashed
padding-box
The background is clipped at the outer edge of the padding (it doesn't show behind the border).
content-box
The background is clipped at the outer edge of the content (it doesn't show behind the padding).
Background Clip
The background-clip property controls the painting area of the background.
Themeover CSS Reference
Online CSS References: Background Clip
Online CSS Tutorials: Background