body {
    display: grid;
    align-items: center;
    justify-items: center;
    background-image: url(./images/background.svg);
    background-repeat: repeat;
    height: 100vh;
    width: 100vw;
    overflow: hidden;
}

*:not(:defined) {
    background-color: red;
    display: none;
}

admin-router {
    width: 100%;
    height: 100%;
}