body {
    font-family: Arial, sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: 0;
    padding: 20px;
}

h1 {
    margin-bottom: 10px;
}

button {
    padding: 10px 20px;
    font-size: 16px;
    margin-bottom: 20px;
}

.grid-container {
    display: grid;
    grid-template-columns: repeat(20, 30px);
    grid-template-rows: repeat(20, 30px);
    gap: 2px;
    margin-bottom: 20px;
}

.cell {
    width: 30px;
    height: 30px;
    background-color: white; /* Change this color to set the grid color */
    border: 0.5px solid # black;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 18px;
}

#photo-placeholder {
    margin-top: 20px;
}

#photo {
    width: 300px;
    height: 200px;
    object-fit: cover;
}

.popup {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: white;
    border: 1px solid #000;
    padding: 20px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
    z-index: 1000;
}

.popup-content {
    text-align: center;
}

.popup-content p {
    margin-bottom: 20px;
}