Source Code: (back to article)
<!DOCTYPE html>
<html>
<head>
<title>Заголовок документа</title>
<style>
input:focus {
background-color: #ccc;
}
</style>
</head>
<body>
<h2>Пример селектора :focus</h2>
<form>
Name: <input type="text" name="name">
Surname: <input type="text" name="surname">
</form>
</body>
</html>