body {
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    background-color: #f0f0f0;
}

.container {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.grid {
    display: grid;
    grid-template-columns: repeat(50, 10px);
    grid-template-rows: repeat(50, 10px);
    gap: 1px;
}

.grid > div {
    width: 10px;
    height: 10px;
    border: 1px solid #ccc;
}

.grid > div.alive {
    background-color: #000;
}

.controls {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 20px;
}

button {
    padding: 5px 10px;
    border: 1px solid #ccc;
}