执行 CSS 不透明度的动画
若要通过 CSS 对 opacity 属性实施动画效果,请尝试运行以下代码
示例
<!DOCTYPE html> <html> <head> <style> #demo1 { position: absolute; top: 60px; width: 300px; height: 150px; background-color: lightblue; animation: myanim 4s infinite; } #demo2 { position: absolute; top: 90px; left: 30px; width: 300px; height: 150px; background-color: orange; animation: myanim 3s infinite; } #demo3 { position: absolute; top: 120px; left: 60px; width: 350px; height: 150px; background-color: coral; } @keyframes myanim { 30% { opacity: 0.4; } } </style> </head> <body> <p>Showing opacity</p> <div id = "demo1"><h1>End div</h1></div> <div id = "demo2"></div> <div id = "demo3"><h1>Start div</h1></div> </body> </html>
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