body {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
    background-color: #f0f0f0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    overflow: hidden;
    position: absolute;
    top:0;
    left:0;
    right: 0;
    bottom: 0;    
}

#game-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: absolute;
    top:0;
    left:0;
    right: 0;
    bottom: 0;    
}

#game-canvas {
    width: 100vw;
    height: 100vh;
    background-color: white;
    cursor: pointer;
    position: absolute;
    top:0;
    left:0;
    right: 0;
    bottom: 0;
    user-select: none;
    -webkit-user-select: none;
    -webkit-tap-highlight-color: transparent;
}

.fullscreen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 1000;
}