linear-gradient
( [ <angle> | to <side-or-corner> ]? ,
<color-stop-list> )
<side-or-corner> = [to left | to right] || [to top | to
bottom]
radial-gradient
( [ <ending-shape> || <size> ]? [ at <position>
]? , <color-stop-list>);
conic-gradient
( [ from <angle> ]? [ at <position> ]?,
<angular-color-stop-list> )
The 15° gradients cut across the bottom left and bottom right corners. The background color shows the full size of the gradient area.