, | at , [ , ]+ )
以下代码执行结果一样
radial-gradient(circle, #f00, #ff0, #080);
radial-gradient(circle at...center, #f00, #ff0, #080);
radial-gradient(circle at 50%, #f00, #ff0, #080);
radial-gradient(circle..., #ff0, #080);
}
.g2 {
background: radial-gradient(circle closest-side, #f00, #ff0, #080);...(farthest-side at top right, #f00, #ff0, #080);
}
.g6 {
background: radial-gradient(...#f00,
#ff0 10%,
#080 15%,
#ff0 20%,
#f00 25%
);
}
.g3 {
background