html, body {
  margin:0px;
  font-family: 'Roboto', sans-serif;
}

canvas{
  display: block;
  margin-left: auto;
  margin-right: auto;
  width: 1000px;
  text-align: left;
  margin-top: 60px;
  margin-bottom: 60px;
}

/* unvisited link */
a:link {
  color: black;
}

/* visited link */
a:visited {
  color: black;
}

/* mouse over link */
a:hover {
  color: grey;
}

/* selected link */
a:active {
  color: whitesmoke;
}

div{
    display: block;
  margin-left: auto;
  margin-right: auto;
  width: 200px;
  text-align: left;
}