button::part(native) {
        background-color: #b7f399;
        border-radius: 15px;
        box-shadow: 0px 1px 2px 0px rgba(0, 0, 0, 0.3), 0px 1px 3px 1px rgba(0, 0, 0, 0.15);
        color: black;
      }

      ion-fab-button::part(native):hover::after {
        background-color: #a3e681;
      }

      ion-fab-button::part(native):active::after {
        background-color: #87d361;
      }
    </style>
  </head>

  <body>
    <ion-app>
      <ion-content>
        <div class="container">
          <ion