body {
    margin: 50px;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}

h3 {
    margin: 20px;
}


canvas {
    border: 1px solid black;
}

#theory {
    background-color: white;
}

#simulation {
    background-color: black;
}

#controlPanel {
    margin-top: 20px;
    margin-left: 20px;
}

#controlPanel, #controlPanel th, #controlPanel td {
    padding: 0;
    border: none;
}

#controlPanel td {
    width: 250px;
    height: 20px;
}

input[type='button'] {
    width: 150px;
}