body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: white;
    margin: 0;
}

#gameContainer {
    border: 5px solid black;
    border-radius: 10px;
    padding: 5px;
    background-color: #6db746;
    display: flex;
    justify-content: center;
    align-items: center;
}

#playPauseButton {
    position: absolute;
    top: 10px;
    right: 60px;
    z-index: 1;
    font-size: 1.2rem;
    padding: 5px 10px;
    background-color: #6db746;
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
}

#playPauseButton:focus {
    outline: none;
}

#playPauseButton:hover {
    background-color: #4a9a34;
}

#pauseIcon, #playIcon {
    font-size: 1.5rem;
}

#restartButton {
    position: absolute;
    top: 10px;
    right: 10px;
    z-index: 1;
    font-size: 2.1rem;
    font-weight: 900;
    width: 40px;
    height: 37.5px;
    padding: 0px 10px 5px 10px;
    background-color: #6db746;
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
}

#restartButton:focus {
  outline: none;
}

#restartButton:hover {
  background-color: #4a9a34;
}