body {
    background-color: black;
    color: white;
    font-family: termina, sans-serif;
    font-weight: 400;
    font-style: normal;
    margin: 0;
    padding: 0;
  display: flex;
  justify-content: center;
}

#app {
    margin: 0;
    padding: 0;
}

#content {
    /*display: none;*/
    text-align: center;
}

#fullscreen_btn {
    background-color: rgb(255, 10, 10);
    height: 40px;
    width: 40px;
    display: none;
}