The stop element for SVG specifies the vector of colors to use in a gradient.
Specifies where the gradient stop is placed.
<number> | <percentage>
0
Specifies the color for the gradient stop.
currentColor | <color> <icccolor>
black
Specifies the opacity for the gradient stop.
<alpha-value>
1
linearGradient
radialGradient
World Wide Web Consortium (W3C)