* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

#root {
    width: 100vw;
    height: 100vh;

    background-image: url('../images/bg-mobile.jpg');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center top;
    background-color: #000;
}

@media only screen and (min-width: 600px) {
    #root {
        background-image: url('../images/bg-desktop.jpg');
        background-position: center;
    }
  }