代码示例:(标识:css_outline-color)
<!DOCTYPE html>
<html>
<head>
<style>
p.ex1 {
  border: 2px solid black;
  outline-style: solid;
  outline-color: red;
}

p.ex2 {
  border: 2px solid black;
  outline-style: dotted;
  outline-color: blue;
}

p.ex3 {
  border: 2px solid black;
  outline-style: outset;
  outline-color: grey;
}
</style>
</head>
<body>

<h1>outline-color 属性</h1>
<p>outline-color 属性用于设置轮廓的颜色。</p>

<p class="ex1">红色的实线轮廓。</p>
<p class="ex2">蓝色的点状轮廓。</p>
<p class="ex3">灰色的实线轮廓。</p>

</body>
</html>
运行结果: