How far does the background image extend
background-clip
This property controls whether a background images extends all the way to its borders.
Property values
One of the keyword values:
border-box | The background extends to the outside edge of the border, underneath the border in z-order |
padding-box | The background extends to the outside edge of the padding, with no background beneath the border |
content-box | The background is clipped to the text content limits. |
text | Only the foreground text is painted with the colors from background image. |