* {
  line-height: 1.4em;
  font-family: courier-new;
}

body {
  display: flex;
  display: -webkit-box; 
  display: -moz-box;    
  display: -ms-flexbox; 
  display: -webkit-flex;

  flex-flow: row wrap;
  align-items: stretch;
  justify-content: space-between;
  -webkit-box-align: stretch;
  -webkit-box-pack: justify;
  -webkit-flex-wrap: wrap;
  -ms-flex-wrap: wrap;
  flex-wrap: wrap;
}

@media all and (max-width: 600px) {
  body {
    -webkit-box-orient: vertical;
  }
}


body > article {
  padding-bottom: 3em;
  max-width: 35em;
  min-width: 15em;
  flex: 1 1 0;
  -webkit-box-flex: 1 1 0;
  -webkit-box-ordinal-group: 1
  order: 1;
}

body > .graph {
  -webkit-box-flex: 1 1 0;
  -webkit-box-ordinal-group: 0
  flex: 1 1 0;
  order: 0;
  height: 30em;
  min-width: 30em;
  transition: margin-top 0.2s
}

.browser-error {
  display: none;
}

.error-message {
  display: none;
}

.browser-error ~ .error-message {
  display: block;
  margin-left: 5em;
  margin-right: 1em;
}

.fps {
  position: fixed;
  left: 0px;
  top: 0px;
}

.graph svg path.link {
  stroke-width: 2px;
  stroke: grey;
  fill: none;
}

.graph svg .node text.id {
  visibility: hidden;
  stroke: black;
}

.graph svg .node:hover text.id {
  visibility: visible;
}

h1 {
  font-size: 2em;
}

h2 {
  font-size: 1.5em;
}

a {
  color: steelblue;
  font-weight: 900;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
  color: #7BA6B4;
}

a:visited {
  color: brown;
  font-weight: 100;
}

a:hover:visited {
  text-decoration: underline;
  color: #7BA6B4;
}

pre {
  background-color: #f8f8f8;
  border: 1px solid #ddd;
  overflow: visible;
  border-radius: 3px;
  font-size: 0.9em;
  padding-left: 0.5em;
}

pre > code {
  background: transparent;
  border: 0;
  padding: 0px 0px;
  white-space: pre-wrap;
}

code {
  font-family: courier, monospace;
  background-color: #f8f8f8;
  border: 1px solid #ddd;
  font-size: 0.9em;
  padding: 0px 0.25em;
}