outline-width
属性指定轮廓的宽度, 并且可以具有以下值之一:
细
(通常为 1 像素)
中
(通常为 3px)
厚
(通常为 5px)
特定尺寸(以 px、pt、cm、em 等为单位)
以下示例显示了一些具有不同宽度的轮廓:
A thin outline.
A medium outline.
A thick outline.
A 4px thick outline.
p.ex1
{
border: 1px solid black;
outline-style: solid;
outline-color: red;
outline-width: thin;
}
p.ex2
{
border: 1px solid black;
outline-style: solid;
outline-color: red;
outline-width: medium;
}
p.ex3
{
border: 1px solid black;
outline-style: solid;
outline-color: red;
outline-width: thick;
}
p.ex4
{
border: 1px solid black;
outline-style: solid;
outline-color: red;
outline-width: 4px;
}
自己尝试一下 →
<!DOCTYPE html>
<html>
<head>
<style>
p.ex1 {
border: 1px solid black;
outline-style: solid;
outline-color: red;
outline-width: thin;
}
p.ex2 {
border: 1px solid black;
outline-style: solid;
outline-color: red;
outline-width: medium;
}
p.ex3 {
border: 1px solid black;
outline-style: solid;
outline-color: red;
outline-width: thick;
}
p.ex4 {
border: 1px solid black;
outline-style: solid;
outline-color: red;
outline-width: 4px;
}
</style>
</head>
<body>
<h2>The outline-width Property</h2>
<p class="ex1">A thin outline.</p>
<p class="ex2">A medium outline.</p>
<p class="ex3">A thick outline.</p>
<p class="ex4">A 4px thick outline.</p>
</body>
</html>