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

.container {
    background-color: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

canvas {
    margin-top: 20px;
}

#bmiStatus {
    font-size: 18px;
    font-weight: bold;
}