may be it's a simple but i didnt find the solution
i wrote the following code.
<html>
<head>
<style>
span.dropt {
border-bottom: thin dotted;
background:white;
}
</style>
</head>
<body>
<span class="dropt" title="Title for the pop-up">Hot Zone Text
</span>
</body>
</html>
here,what i want is,i want to give the background color/image
for "Title for the pop-up" when hover the cursor.i tried but i didnt get the solution.can any one help me...