@font-face {
  font-family: 'fontello';
  src: url('../fonts/fontello/markup.eot');
  src: url('../fonts/fontello/markup.eot') format('embedded-opentype'),
       url('../fonts/fontello/markup.woff') format('woff'),
       url('../fonts/fontello/markup.ttf') format('truetype'),
       url('../fonts/fontello/markup.svg') format('svg');
  font-weight: normal;
  font-style: normal;
}

span {
  cursor: pointer;
  background-color: #ffe;
}

span.A2 {
  color: #040;
  background-color: transparent;
}

span.B1 {
  color: #660;
  background-color: transparent;
}

span.B2 {
  color: #950;
  background-color: transparent;
}

span.C1 {
  color: #900;
  background-color: transparent;
}

span.C2 {
  color: #C00;
  background-color: transparent;
}

span.unknown {
  color: #909;
  background-color: transparent;
}

span:hover {
  background-color: #ff9;
}

div.tooltip {
  position: fixed;
  top: 0;
  right: 0;
  text-align: left;
  background-color: #ffc;
  opacity: 0.9;
  width: 100%;
  max-width: 15em;
  max-height: 100%;
  overflow-y: auto;
  box-sizing: border-box;
  border: 1em solid #ffc;
}

div.tooltip a:hover {
  background-color: #ff6;
}

div.tooltip a:active {
  color: #006;
}

div.tooltip:empty {
  display: none;
}

div.tooltip img {
  width: 100%;
}

div.tooltip p {
  margin-top: 0;
}

div.tooltip * {
  user-drag: none; 
  user-select: none;
  -moz-user-select: none;
  -webkit-user-drag: none;
  -webkit-user-select: none;
  -ms-user-select: none;
}

dl {
  margin: 0;
}

dt {
  font-weight: bold;
  margin: 0.2em;
}

dt:first-child {
  margin-top: 0;
}

dd {
  margin: 0 0 0.5em 1em;
}

dd i {
  display: block;
  margin-top: 0.25em;
}

div.tooltip a {
  display: block;
  margin: 0.5em 0;
}

div.tooltip a[target=source] {
  font-size: 0.75em;
  text-align: center;
}