кнопка отключения стиля
button:disabled,
button[disabled]{
border: 1px solid #999999;
background-color: #cccccc;
color: #666666;
}
Xenophobic Xenomorph
button:disabled,
button[disabled]{
border: 1px solid #999999;
background-color: #cccccc;
color: #666666;
}<button type="button" disabled>This button is disabled</button>$('#Button').prop('disabled', true);<button disabled>Click me</button>