Css
边框渐变
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>border渐变</title>
<style>
button{
background:transparent;
color:#23b7cb;
font-size:15px;
padding:5px 15px;
border:1px transparent solid;
border-image:linear-gradient(to right,#000718,#23b7cb) 1 10;
}
</style>
</head>
<body>
<button>进入平台</button>
</body>
</html>