body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    background-color: #c0c0c0;
    font-family: 'Inter', sans-serif;
}

#game-container {
    background-color: #888;
    padding: 10px;
    border: 5px solid #777;
    border-bottom-color: #fff;
    border-right-color: #fff;
}

.tooltip {
    position: absolute;
    border: 1px solid #333;
    background-color: #f9f9f9;
    padding: 10px;
    color: black;
    border-radius: 5px;
    text-align: center;
    font-size: 20px;
    width: 300px;
    top: 5%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.close-tooltip {
    position: absolute;
    top: 5px;
    right: 10px;
    border: none;
    background-color: transparent;
    font-size: 25px;
    cursor: pointer;
}



#game-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

#difficulty-selector button {
    margin-right: 10px;
    padding: 5px;
    cursor: pointer;
}

#mine-counter {
    background-color: #000;
    color: #ff0000;
    font-size: 2rem;
    display: inline-block;
    width: 70px;
    border: 2px solid #777;
    border-bottom-color: #fff;
    border-right-color: #fff;
    text-align: center;
}

#reset-button {
    font-size: 2rem;
    cursor: pointer;
}

#timer {
    background-color: #000;
    color: #00ff00;
    font-size: 2rem;
    display: inline-block;
    width: 70px;
    border: 2px solid #777;
    border-bottom-color: #fff;
    border-right-color: #fff;
    text-align: center;
}

#game-board {
    background-color: #bbb;
    cursor: pointer;
    border: 2px solid #777;
    border-top-color: #fff;
    border-left-color: #fff;
}