<button class="button">Nút thông thường</button>
<button class="button disabled">Nút bị vô hiệu hóa</button>
.button {
  background-color: #4CAF50;
  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;
}

External CSS

This Pen doesn't use any external CSS resources.

External JavaScript

This Pen doesn't use any external JavaScript resources.