W3School TIY Editor
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<!DOCTYPE html> <html> <head> <style> #grad1 { height: 150px; width: 150px; background-color: red; /* 针对不支持渐变的浏览器 */ background-image: radial-gradient(closest-side at 60% 55%, red, yellow, black); } #grad2 { height: 150px; width: 150px; background-color: red; /* 针对不支持渐变的浏览器 */ background-image: radial-gradient(farthest-side at 60% 55%, red, yellow, black); } #grad3 { height: 150px; width: 150px; background-color: red; /* 针对不支持渐变的浏览器 */ background-image: radial-gradient(closest-corner at 60% 55%, red, yellow, black); } #grad4 { height: 150px; width: 150px; background-color: red; /* 针对不支持渐变的浏览器 */ background-image: radial-gradient(farthest-corner at 60% 55%, red, yellow, black); } </style> </head> <body> <h1>径向渐变 - 不同的 size 关键字s</h1> <h2>closest-side:</h2> <div id="grad1"></div> <h2>farthest-side:</h2> <div id="grad2"></div> <h2>closest-corner:</h2> <div id="grad3"></div> <h2>farthest-corner (默认):</h2> <div id="grad4"></div> </body> </html>