思路: (1)通过渐变把外层圆形div的content分成上下黑白两个区域; (2)用中间层两个圆形div的content颜色来改变本区域的颜色; (3)用内层两个圆形div的content颜色来恢复本区域的颜色。鼠标置于太极图上,太极图还会旋转!
思路: (1)通过渐变把外层圆形div分成上下黑白两个区域; (2)添加伪类,用伪类的圆形边框颜色来改变本区域的颜色; (3)通过伪类的圆形content颜色来恢复本区域的颜色。鼠标置于太极图上,太极图还会旋转!
<!DOCTYPE html><html><head> <meta charset="UTF-8"> <title>太极</title> <style> *{ margin:0; padding:0; } div, :before, :after { box-sizing: border-box; } #taiji { position: absolute; top: 50%; left: 50%; width: 200px; height: 200px; margin: -100px 0 0 -100px; background: linear-gradient(0deg, black 50%, white 50%); border-radius: 50%; border:1px black solid; } @keyframes taiji { from{ transform: rotate(0deg) scale(1); } to{ transform: rotate(360deg) scale(2); } } #taiji:hover { animation: taiji 1s ease 0s infinite; } #taiji:before, #taiji:after { content: ""; display: block; position: absolute; width: 50%; height: 50%; top: 25%; border-radius: 50%; border: 35px solid transparent; } #taiji:before { left: 0; border-color: black; background-color: white; } #taiji:after { right: 0; border-color: white; background-color: black; } </style></head><body> <div id="taiji"></div></body></html>新闻热点
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