Background-origin & Background-clip
background-clip: border-box
origin: border
clip: border
origin: padding
clip: border
origin: content
clip: border
background-clip: paddin-box
origin: border
clip: padding
origin: padding
clip: padding
origin: content
clip: padding
background-clip: content-box
origin: border
clip: content
origin: padding
clip: content
origin: content
clip: content