1. Código:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>快报模块</title>
<style>
*{
margin: 0;
padding: 0;
}
.box{
width: 248px;
height: 163px;
/* 边框属性 */
border: 1px solid #ccc;
/* 外边距属性 */
margin: 100px auto ;
}
.box h3{
height: 32px;
/* 下边框 */
border-bottom: 1px dotted #ccc;
font-size: 14px;
font-weight: 400;
/* 行高 */
line-height: 32px;
/* 左内边距 */
padding-left: 15px;
}
</style>
</head>
<body>
<div class="box">
<h3>快报模块</h3>
</div>
</body>
</html>2. Efecto de operación
