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問下border可以設(shè)置漸變效果嗎

我用linear-gradient 設(shè)置不管用。

L路_ZR

2015-10-04

源自：CSS動畫實(shí)用技巧 3-2

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2 回答

季男
2016-08-15

<!DOCTYPE?html>
<html>
<head>
????<meta?charset="utf-8">
????<meta?http-equiv="X-UA-Compatible"?content="IE=edge">
????<title>load</title>
????<link?rel="stylesheet"?href="">
????<style?type="text/css"?media="screen">
????body?{
????????background:?black;
????}
????
????div?{
????????width:?200px;
????????height:?200px;
????????border:?1.1em?solid?rgba(255,?255,?255,?.2);
????????border-left-color:?#fff;
????????border-radius:?100%;
????????animation:?load?1.1s?infinite?linear;
????}
????
????@keyframes?load?{
????????0%?{
????????????transform:?rotate(0deg);
????????????border-left-color:?rgba(255,255,255,1);
????????}
????????50%?{
????????????transform:?rotate(90deg);
????????????border-left-color:?rgba(255,255,255,.8);
????????}
????????80%?{
????????????transform:?rotate(300deg);
????????????border-left-color:?rgba(255,255,255,.5);
????????}
????????100%?{
????????????transform:?rotate(360deg);
????????????border-left-color:?rgba(255,255,255,1);
????????}
????}
????</style>
</head>
<body>
????<div></div>
</body>
</html>