Get your own website Result Size: 625 x 565
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<!DOCTYPE html>
<html>
<head>
<style> 
input[type=text]:enabled {
  background: #ffff00;
}
input[type=text]:disabled {
  background: #dddddd;
}
</style>
</head>
<body>
<form action="">
  First name: <input type="text" value="Mickey"><br>
  Last name: <input type="text" value="Mouse"><br>
  Country: <input type="text" disabled="disabled" value="Disneyland">
</form>
</body>
</html>