<!DOCTYPE html>
<html>
<head>
<title>Title of the document</title>
<style>
input[name="username"] {
background: #76d67e;
width: 200px;
height: 25px;
padding: 0 5px;
border: 2px solid #cccccc;
}
</style>
</head>
<body>
<input type="text" name="username" autofocus>
</body>
</html>