body {
    background-color: #e6e6e6;
}

#container {
    margin: 0 auto;
    width: 40%;
    padding-top: 20px;
    padding-bottom: 20px;
}

#canvas-div {
    margin: 0 auto;
}

section table {
    width: 100%;
    text-align: left;
    border-style: solid;
    border-radius: 1px;
    border-color: black;
    padding: 10px;
    background-color: #dcdcdc;
}

section table td {
    padding: 5px;
}