canvas {
    background-color: yellow;
    padding-left: 0;
    padding-right: 0;
    margin-left: auto;
    margin-right: auto;
    display: block;
}

#num {
    font-size: 16px; /* Increase font size */
    padding: 8px; /* Increase padding */
}

body {
    font-family: 'SFMono-Regular', monospace;
}

.navbar-nav > li{
    padding-right:10px;
    font-family: 'SFMono-Regular', monospace;
  }