html,
        body {
            width: 100%;
            height: 100%;
        }

        .loading-container {
            width: 100%;
            height: 100%;
            display: none;
        }

        .loading-image {
            margin: auto;
            text-align: center;
            font-size: 14px;
            font-family: "Roboto", "Helvetica Neue", Helvetica, Arial, sans-serif;
        }

        app-root:empty + .loading-container {
            display: flex;
        }