CSS | :nth-last-child() Selector - GeeksforGeeks

07 Jan, 2019
The nth-last-child() selector in CSS is used to match elements based on their position among the group of siblings, counting from end.
Syntax:
:nth-last-child(number) {
    //CSS Property
}
Where number is the argument that represents the pattern for matching elements counting from the end. It can be odd, even or in a functional notation.
odd: It represents elements whose position is odd in a series: 1, 3, 5, etc., counting from the end.
even: It represents the elements whose position is even in a series: 2, 4, 6, etc., counting from the end.
functional notation (<An+B>): It represents elements whose position of siblings matches the pattern An+B, for every positive integer or zero value of n. The index of the first element, counting from the end, is 1.
Example-1: In this example every odd element is selected according to formula 2n+1, counting from the end.
<!DOCTYPE html><html>    <head>        <title>CSS :nth-last-child Selector</title>        <style>             p:nth-last-child(2n+1) {              background: green;              color:white;            }         </style>    </head>    <body style = "text-align:center;">              <h1 style = "color:green;">            GeeksforGeeks        </h1>                  <h2>            CSS :nth-last-child Selector        </h2>              <p>A computer science portal for geeks.</p>        <p>Geeks classes an extensive classroom programme.</p>                  </body></html>
Output:Example-2:
<!DOCTYPE html><html>    <head>        <title>CSS :nth-last-child Selector</title>        <style>             table {                border: 1px solid green;                margin:auto;            }                          /* Selects the last three element */            tr:nth-last-child(3) {                background-color: green;                color:white;            }         </style>    </head>    <body style = "text-align:center;">              <h1 style = "color:green;">            GeeksforGeeks        </h1>                  <h2>            CSS :nth-last-child Selector        </h2>              <table>          <tbody>            <tr>              <td>Merge sort</td>            </tr>            <tr>              <td>Quick sort</td>            </tr>            <tr>              <td>Insertion sort</td>            </tr>            <tr>              <td>Selection sort</td>            </tr>          </tbody>        </table>                  </body></html>
Output:
Supported Browsers: The browser supported by :nth-last-child selector are listed below:
Apple Safari 3.2
Google Chrome 4.0
Firefox 3.5
Opera 9.6
Internet Explorer 9.0
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