有个喇叭图标
代码如下
极客观点
项目管理
HarmonyOS
<svg class="icon" viewBox="0 0 1000 1000" width="200" height="200">
<path d="
M700 300 Q 700 300 700 300
M500 300 Q 500 500 700 500
M300 300 Q 300 700 700 700
"
stroke="black" stroke-width="100" transform="rotate(45,500,500) translate(-50,50)" fill="transparent"></path></svg>最终效果如下
请问如何用 css 实现微信播放语音时的动画效果
html5
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<style>
.voice{
padding-top: 12px;
padding-left: 10px;
margin: 100px auto;
height: 35px;
width: 150px;
background: #000;
border-radius: 0 7px 7px;
}
.bg {
background:url(data:image/png;base64,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) right 0 no-repeat;
width: 24px;
height: 24px;
background-size: 400%;
}
.voicePlay {
animation-name: voicePlay;
animation-duration: 1s;
animation-direction: normal;
animation-iteration-count: infinite;
animation-timing-function: steps(3);
}
@keyframes voicePlay {
0% {
background-position: 0;
}
100% {
background-position: 100%;
}
}
</style>
</head>
<body>
<div class="voice">
<div class="bg voicePlay"></div>
</div>
</body>
</html>
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用 svg 的 animate 做, 控制 d 变化