.pwa_installer_btn{display:inline-block;padding:8px 16px;background-color:#3498db;color:#fff;border:none;border-radius:4px;cursor:pointer;text-align:center;text-decoration:none;transition:background-color 0.3s ease}.pwa_installer_btn:hover{background-color:#2980b9}.pwa_installer_btn:active{background-color:#1f618d}