html tutorial - How to highlight the background of alternate table row using CSS - html5 - html code - html form
Answer: Use the CSS ":nth-child" selector
This shows how to focus on the background of alternate table row using the CSS3 :nth-child selector. The :nth-child(N) pseudo-class accepts an argument N, which can be a keyword, a number, or a number expression of the shapxn+y wherex and y are integers (e.g. 1n, 2n, 3n, 2n+1, 3n-2, …).
Example
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Highlighting Alternate Table Row</title>
<style type="text/css">
table{
margin: 30px;
border-collapse: collapse;
}
table tr{
border-bottom: 1px solid #666;
}
table tr:nth-child(2n){
background: #f2f2f2;
}
table th, table td{
padding: 10px;
}
</style>
</head>
<body>
<table>
<tr>
<th>Row</th>
<th>First Name</th>
<th>Last Name</th>
<th>Email</th>
</tr>
<tr>
<td>1</td>
<td>John</td>
<td>Carter</td>
<td>johncarter@mail.com</td>
</tr>
<tr>
<td>2</td>
<td>Peter</td>
<td>Parker</td>
<td>peterparker@mail.com</td>
</tr>
<tr>
<td>3</td>
<td>william</td>
<td>smith</td>
<td>williamsmith@mail.com</td>
</tr>
<tr>
<td>4</td>
<td>robert</td>
<td>edwin</td>
<td>robertedwin@mail.com</td>
</tr>
</table>
</body>
</html>