Run ❯
<!DOCTYPE html> <html> <head> <style> /* Selects the second element of div siblings */ div:nth-child(2) { background: red; } /* Selects the second li element in a list */ li:nth-child(2) { background: lightgreen; } /* Selects every third element among any group of siblings */ :nth-child(3) { background: yellow; } </style> </head> <body> <div> <p>This is some text.</p> </div> <div> <p>This is some text.</p> </div> <div> <p>This is some text.</p> </div> <ul> <li>First list item</li> <li>Second list item</li> <li>Third list item</li> <li>Fourth list item</li> <li>Fifth list item</li> </ul> </body> </html>