The correct code to get the radial gradient to work is:
article {
border: 20px solid transparent;
border-image: linear-gradient(to bottom right, yellow, brown) 35%;
}
article {
background: radial-gradient( circle at 20% 15%, white 5%, rgba(255, 255, 128, 0.8) 10%, rgba(80, 20, 0, 0.8) 75%, rgba(128, 0, 0, 0.8));
rgba(80, 20, 0, 0.8) 75%,
rgba(128, 0, 0,0.8));
Background: url( michelangelo.img ) bottom right / 75% no-repeat, rgba(252, 250, 247);
background-repeat: no-repeat;
}
This is an acronym that means Cascading Style Sheets and is used as a design code for building and developing websites and also for other uses where colors are mixed in RGB.
Read more about CSS here:
https://brainly.com/question/14989681