To style every <p> elements that is the last child of its parent, use the CSS :last-child selector. You can try to run the following code to implement the :last-child selector
Example
<!DOCTYPE html> <html> <head> <style> p:last-child { background: orange; } </style> </head> <body> <p>This is demo text1.</p> <p>This is demo text2.</p> <p>This is demo text3.</p> </body> </html>