Selecting Default Elements
Description
The :default element selects the default element from among a group of similar elements.
The submit button is always the default button in a form.
Example
The following code uses the :default Element.
<!DOCTYPE HTML>
<html>
<head>
<style>
:default {<!--from www .ja va 2 s . c o m-->
outline: medium solid red;
}
</style>
</head>
<body>
<form method="post" action="http://example.com/form">
<p>
<label for="name">Name: <input id="name" name="name" /></label>
</p>
<button type="submit">Submit Vote</button>
<button type="reset">Reset</button>
</form>
</body>
</html>