<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>CSS Outline Examples</title>
<style>
body {
font-family: Arial, sans-serif;
margin: 20px;
}
.container {
display: flex;
gap: 20px; /* 组件间的间距 */
flex-wrap: wrap;
}
.example {
width: 150px;
height: 100px;
text-align: center;
line-height: 100px; /* 垂直居中文本 */
}
.outline-basic {
outline: 2px solid black; /* 基础轮廓 */
}
.outline-offset {
outline: 2px dashed red;
outline-offset: 10px; /* 设置轮廓偏移量 */
}
.outline-color {
outline: 3px dotted blue; /* 设置轮廓样式和颜色 */
}
.outline-width {
outline: thick solid green; /* 使用预定义的宽度值 */
}
.no-outline {
outline: none; /* 移除轮廓 */
}
</style>
</head>
<body>
<h2>CSS 轮廓示例</h2>
<div class="container">
<div class="example outline-basic">基础轮廓</div>
<div class="example outline-offset">轮廓偏移</div>
<div class="example outline-color">轮廓颜色</div>
<div class="example outline-width">轮廓宽度</div>
<div class="example no-outline">无轮廓</div>
</div>
</body>
</html>
