<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="widtd=device-width, initial-scale=1.0" />
<title>Document</title>
</head>
<style>
div {
width: 500px;
overflow: auto;
}
th {
min-width: 200px;
/* z-index: -1; */
}
td {
text-align: center;
/* z-index: -1; */
}
.name {
position: sticky;
left: 0px;
background-color: lightpink;
/* z-index: 0; */
}
p {
width: 0;
height: 0;
border: 10px solid transparent;
border-top-color: #f60;
}
</style>
<body>
<div>
<table border="1" cellspacing="0">
<tr>
<th class="name">1</th>
<th>2</th>
<th>3</th>
<th>4</th>
<th>5</th>
</tr>
<tr>
<td class="name">1</td>
<td>2</td>
<td>3</td>
<td>4</td>
<td>5</td>
</tr>
</table>
</div>
<p></p>
</body>
</html>