<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
<style type="text/css">
table {
border-collapse: collapse; /* single-line표시*/
width: 400px;
margin: auto;
}
th, td {
padding: 40px 0;
font-size: 20px;
border: 1px solid black;
}
th {
background-color: gray;
}
td {
text-align: center;
}
</style>
</head>
<body>
<table border="1">
<tr>
<th>이름</th>
<th>나이</th>
</tr>
<tr>
<th>김씨</th>
<th>10</th>
</tr>
<tr>
<th>이씨</th>
<th>20</th>
</tr>
<tr>
<th>박씨</th>
<th>30</th>
</tr>
```
</table>
```
</body>
</html>
