(The graidents are the white circles in the background)

I've been stuck on #4 for a super long time. I think I'm typing the gradients in wrong. Any suggestions?

4. Andrew wants the web page body background to combine several images and effects. Go to the Body Styles section and create a style rule for the body element that adds the following backgrounds in the order listed: a. A background containing the night sky image, sd_back2.png b. A radial gradient circle with a size extending to the closest corner and placed at the coordinates (40%, 70%) containing the color white stopping at 1 5% of the gradient and the C. A radial gradient circle also extending to the closest corner and placed at (80%, 40%) d. A radial gradient extending to the closest side and placed at (10%, 20%) containing the color e. A radial gradient with a size of 5% in the horizontal and vertical directions placed at (90%, 10%) f. The background color color value rgba(151, 1 51,1 51, 0.5) stopping at 50% containing the color white stopping at 15% and followed by the color rgba(0, 0, 0, 0) at 30% white stopping at 20% and followed by the color rgba(0, 0, 0, 0) stopping at 45% with the color white stopping at 1 5% and followed by the color rgba(0, 0, 0, 0) stopping at 40% and radial gradients lor rgb(151, 151, 151) set as a base for the preceding background image lace hox shados on the left and right