html奥运五环
<!DOCTYPE html>
<html lang="en">!<head><meta charset="UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=edge"><meta name="viewport" content="width=device-width, initial-scale=1.0"><title>wuhuan</title><style>*{margin: 0;padding: 0;}div{width: 200px;height: 200px;border: 10px solid red;border-radius: 50%;}#black{border-color: black;margin-left: 220px;margin-top: -220px;}#green{border-color: green;margin-left: 440px;margin-top: -220px; }#yellow{border-color: yellow;margin-left: 110px;margin-top: -110px; }#blue{border-color: blue;margin-left: 330px;margin-top: -220px; }</style>
</head>
<body><div></div><div id="black"></div><div id="green"></div><div id="yellow"></div><div id="blue"></div>
</body>
</html>```html
總結
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