body, html {

    margin: 0;

    padding: 0;

    width: 100%;

    height: 100%;

    display: flex;

    flex-direction: column;

    align-items: center;

    justify-content: center;

    font-family: Arial, sans-serif;

    background-color: #121212;

    color: #ffffff;

}



#reset-button {

    margin-bottom: 20px;

    padding: 10px 20px;

    font-size: 16px;

    cursor: pointer;

    background-color: #ff5722;

    color: white;

    border: none;

    border-radius: 5px;

}



.grid-container {

    display: grid;

    grid-template-columns: 1fr 1fr 1fr;

    grid-template-rows: repeat(4, 1fr);

    gap: 10px;

    width: 90%;

    height: 70%;

}



.row {

    display: contents;

}



.number, .count, .increment-button {

    display: flex;

    align-items: center;

    justify-content: center;

    border: 1px solid #ccc;

    padding: 10px;

    font-size: 18px;

    background-color: #1f1f1f;

    border-radius: 5px;

    color: white;

}



.increment-button {

    cursor: pointer;

    background-color: #4CAF50;

    color: white;

    border: none;

}