css实现流动的虚线(虚线流动)
<!DOCTYPE html>
<html>
<head><meta charset="utf-8"><title></title><style>.line {width: 200px;height:1px;background: repeating-linear-gradient(135deg, transparent, transparent 3px, #000 3px, #000 10px);animation: leftToRight 1s infinite linear;overflow: hidden;}@keyframes rightToLeft {0% { background-position: -1px -1px;}100% { background-position: -12px -12px;}}@keyframes leftToRight {0% { background-position: -12px -12px;}100% { background-position: -1px -1px;}}</style>
</head>
<body><div class="line"></div>
</body>
</html>
