Using border to highlight input
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title></title> <style type="text/css"> label { margin-top: .33em; display: block; } input { display: block; width: 250px; } textarea { width: 250px; height: 75px; } label.required { color: #c00; font-weight: bold; } textarea.required, input.required { border: 1px solid red; background-color: #eee; } </style> </head> <body> <form id="msgform" name="msgform" method="post" action="/process.php"> <fieldset> <legend>Contact Information</legend> <label for="fmtitle" accesskey="i">T<span class="akey">i</span>tle</label> <select name="fmtitle" id="fmtitle"> <option value="ms">Ms.</option> <option value="mrs">Mrs.</option> <option value="miss">Miss</option> <option value="mr">Mr.</option> </select> <label for="fmname" accesskey="n"><span class="akey">N</span>ame</label> <input type="text" name="fmname" id="fmname" /> <label for="fmemail" accesskey="e" class="required"> <span class="akey">E</span>mail <img src="alert.gif" /> Required</label> <input type="text" name="fmemail" id="fmemail" class="required" /> </fieldset> <fieldset> <legend>Your Message</legend> <label for="fmstate" accesskey="y">Subject</label> <input type="text" name="fmcountry" id="fmcountry" /> <label for="fmmsg" class="required"><span class="akey">M</span>essage <img src="alert.gif" /> Required</label> <textarea name="fmmsg" accesskey="m" id="fmmsg" rows="5" cols="14" class="required"></textarea> </fieldset> <input type="submit" name="submit" value="send" class="submit" /> </form> </body> </html>