... use the farthest-side keyword, and in WebKit, I set the value to 95px (half the width of the box).In the next example (Y), I again set the limit of the radius to the farthest side of the ... type of gradient!In the fourth example ([), I’ve positioned the center of the gradient at 80 percent of the width and 50 percent of the height of the box and set the limit of the radius to the ... achieve the same effect in WebKit, I have to calculate the diagonal of the box using the formula: sqrt(x2 + y2)—that is, the square root of the square of the height plus the square of the width,...