body {
    font-family: Arial, sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: #333;
    color: #eee;
    margin: 20px;
}

.game-container {
    padding: 20px;
    border: 3px solid #555;
    border-radius: 8px;
    background-color: #222;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.5);
}

h1 {
    color: #4CAF50; /* A nice green color */
}

#game-board {
    display: grid;
    /* Grid columns and rows will be set by JavaScript */
    border: 1px solid #777;
}

.cell {
    width: 30px;
    height: 30px;
    background-color: #aaa;
    border: 1px solid #777;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 16px;
    font-weight: bold;
    color: #000;
}

.cell:hover {
    background-color: #bbb;
}

.uncovered {
    background-color: #ddd;
    border-color: #ccc;
    cursor: default;
}

/* Specific colors for numbers */
.num-1 { color: blue; }
.num-2 { color: green; }
.num-3 { color: red; }
.num-4 { color: navy; }
.num-5 { color: maroon; }
.num-6 { color: teal; }
.num-7 { color: black; }
.num-8 { color: gray; }

.mine {
    background-color: red;
    font-size: 20px;
}

.flag {
    color: red;
    font-size: 18px;
}