Vue Js Notification Popup

<!DOCTYPE html>
<html lang="en">

<body>
  <div id="app">
    <h3>Vue Js Notification Popup</h3>
    <button @click="showNotification">Show Notification Popup</button>
    <div class="notification-popup" v-if="show">
      <div class="notification-content">
        <div class="notification-message">{{ message }}</div>
        <button class="notification-close" @click="closeNotification">Close</button>
      </div>
    </div>
  </div>

button {
      padding: 10px 20px;
      background-color: #007bff;
      color: #fff;
      border: none;
      cursor: pointer;
    }

.notification-popup {
      position: fixed;
      top: 20px;
      right: 20px;
      z-index: 9999;
      background-color: #ffffff;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
      padding: 10px;
      border-radius: 4px;
    }

.notification-content {
      display: flex;
      align-items: center;
    }

.notification-message {
      flex: 1;
      margin-right: 10px;
      color: #333333;
    }

.notification-close {
      background: none;
      border: none;
      color: #888888;
      cursor: pointer;
      font-size: 16px;
      padding: 0;
      transition: color 0.3s;
    }

.notification-close:hover {
      color: #555555;
    }
  </style>
</body>

</html>