CSS Image Values and Replaced Content Module Level 3:
January 12, 2012
background: linear-gradient(45deg, white, black);
An image showing a box with a background shading gradually from white in the bottom-left corner to black in the top-right corner. There is a line, illustrating the gradient-line, angled at 45 degrees and passing through the center of the box. The starting-point and ending-point of the gradient-line are indicated by the intersection of the gradient-line with two additional lines that pass through the bottom-left and top-right corners of the box.
4.1.2. Linear Gradient Examples *
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