html, body {
  margin: 0;
  padding: 0;
}

body {
  font-size: 16px;
  background: white;
}

a:link { text-decoration: none; }
a:visited { text-decoration: none; }
a:hover { text-decoration: underline; }
a:active { text-decoration: underline; }

#canvas { /* layout */
  position: fixed;
  top: 0px;
  right: 0px;
  display: block;
  margin: 0;
  width: 100%;
  height: 100%;
}