Editar o código:
ver o resultado »
Tente você mesmo - ©
w3ii.com
<!DOCTYPE html> <html> <head> <style> p:first-child { color: blue; } </style> </head> <body> <p>This is some text.</p> <p>This is some text.</p> <p><b>Note:</b> For :first-child to work in IE8 and earlier, a DOCTYPE must be declared.</p> </body> </html>