<!DOCTYPE html>
<html>
<head>
<style>
.button {
background-color: #4CAF50; /* Green */
border: none;
color: white;
padding: 15px 32px;
text-align: center;
text-decoration: none;
display: inline-block;
font-size: 16px;
margin: 4px 2px;
cursor: pointer;
}
.disabled {
opacity: 0.6;
cursor: not-allowed;
}
</style>
</head>
<body>
<h2>Disabled Buttons</h2>
<p>Use the opacity property to add some transparency to the button (make it look disabled):</p>
<button class="button">Normal Button</button>
<button class="button disabled">Disabled Button</button>
</body>
</html>