body {
    text-align: center;
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
}

h1 {
    color: #333;
}

#mode-selection {
    margin-top: 20px;
}

button {
    padding: 10px 20px;
    font-size: 1em;
    margin: 10px;
    background-color: #007bff;
    color: white;
    border: none;
    cursor: pointer;
    border-radius: 5px;
}

button:hover {
    background-color: #0056b3;
}

.game-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: 20px;
}

#board {
    display: grid;
    grid-template-columns: repeat(5, 80px);
    grid-template-rows: repeat(5, 80px);
    gap: 5px;
}

.cell {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2em;
    background-color: white;
    border: 2px solid #333;
    cursor: pointer;
}

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

#status {
    margin: 20px;
    font-size: 1.2em;
}

#reset {
    background-color: #28a745;
}

#reset:hover {
    background-color: #218838;
}

#menu {
    background-color: #dc3545;
}

#menu:hover {
    background-color: #c82333;
}