HTML设置的css标签出现问题
<html>
<head>
<title>五颜六色</title>
<link rel="stylesheet" type="text/css" href="/css/task05.css">
</head>
<body>
<span class="c1">五</span>
<span class="c2">颜</span>
<span class="c3">六</span>
<span class="c4">色</span>
</body>
</html>
.c1{
font-family: 黑体;
font-size: 50px;
color: #369;
padding-bottom: 4px;
border-bottom: 2px solid black;
}
不知道为啥没有生效