body {
    /* remove margins and scroll bars */
    margin: 0;
    overflow: hidden;

    /* style text */
    text-align: center;
    font-size: 12px;
    font-family: Sans-Serif;

    /* color text */
    color: #444;
}

h1 {
    /* position the heading */
    position: absolute;
    width: 100%;

    /* make sure that the heading is drawn on top */
    z-index: 1;
}

#scene-container {
    /* tell our scene container to take up the full page */
    position: absolute;
    width: 100%;
    height: 100%;

    /*
      Set the container's background color to the same as the scene's
      background to prevent flashing on load
    */
    background-color: skyblue;
}

#btn {
    position: absolute;
    width: 120px;
    height: 100px;
    font-family: 'RocknRoll One', sans-serif;
    font-size: 30px;
    top: 40px;
    right: 40px;
    border-radius: 20px;
    background-color: rgb(0, 74, 223);
    color: white;
    /* transform: translateX(-50%); */
    z-index: 1;
}