Tryit Editor v1.8

Source Code:
<!DOCTYPE html> <html> <head> <style> a[target] { background-color:yellow; } </style> </head> <body> <p>The links with a target attribute gets a yellow background:</p> <a href="../default.htm">w3schools.com</a> <a href="../../www.disney.com/default.htm" target="_blank">disney.com</a> <a href="../../www.wikipedia.org/default.htm" target="_top">wikipedia.org</a> <p><b>Note:</b> For [<i>attribute</i>] to work in IE8 and earlier, a DOCTYPE must be declared.</p> </body> </html>
Result:
W3Schools.com - Try it yourself