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;
}