body {
    font-family: Arial;
    padding: 25px;
    background: #f0f0f0;
}

#buttons button {
    padding: 10px 15px;
    margin-right: 7px;
    cursor: pointer;
    font-size: 16px;
}

canvas {
    background: white;
    border-radius: 10px;
    padding: 15px;
}

#sensorList label {
    margin-right: 12px;
    font-size: 16px;
}