* {
    margin: 0;
    padding: 0;
}

html, body {
    width: 100%;
    height: 100%;
    background: #000;
    text-align: center;
}

body {
    touch-action: none;
    -webkit-user-select: none;
    user-select: none;
}

canvas {
    display: block;
    margin: 0 auto;
}

#score-board {
    position: absolute;
    top: 32px;
    width: 100%;
    color: #f0f0f0;
    text-align: center;
    font-weight: 700;
    font-size: 72px;
    font-family: monospace;
    opacity: 0.8;
}

#score-board:not(.show-high) .high {
    display: none;
}

#score-board.show-high .current {
    display: none;
}