请教
<link rel="stylesheet" href="../04设计稿/小U课堂/U-class/font/font/iconfont.css">
<style>
@font-face {
font-family: "iconfont";
/* Project id 3278302 */
src: url('iconfont.woff2?t=1648433808190') format('woff2'),
url('iconfont.woff?t=1648433808190') format('woff'),
url('iconfont.ttf?t=1648433808190') format('truetype');
}
span::before {
content: "\e627";
color: blue;
}
</style>
<body>
<span>你好!</span>
</body>