AI 编程工具<html><head><meta charset="utf-8"><title>菜鸟教程(runoob.com)</title><style>#grad1 { height: 200px; width: 200px; background-color: red; /* 对于不支持渐变的浏览器 */ background-image: repeating-conic-gradient(red 0deg 30deg, yellow 30deg 60deg, blue 60deg 90deg); border-radius: 50%;}</style></head><body><h1>重复的圆锥渐变</h1><div id="grad1"></div></body></html>