style.css

h3 {
  font-size: 15px;
  margin-left: 10px;
}
.name {
  margin: 0 !important;
  font-size: 12px;
}

.key-dot {
  display: inline-block;
  height: 10px;
  margin-right: .5em;
  width: 10px;
}

#legend {
  width: 175px;
  padding-top: 10px;
  padding-bottom: 10px;
  padding-right: 10px;
  padding-left: 10px;
  border-radius: 15px;
  border: 2px solid black;
  text-align: left;

  display: inline-block;
  display: -moz-inline-box;
  *display: inline;
  zoom: 1;
}

#data-source {
  font-size: 12px;
}

#authors {
  margin-bottom: 5px;
}

.line {
  margin-left: 30px;
}

.ir0 {
  background: red;
  border-radius: 50%;
}
.ir1 {
  background: orange;
  border-radius: 50%;
}
.ir2 {
  background: blue;
  border-radius: 50%;
}
.ir3 {
  background: green;
  border-radius: 50%;
}

.row > div {
  display: inline-block;
  display: -moz-inline-box;
  *display: inline;
  zoom: 1;
  width: 20%;
  text-align: center;
}

.container-fluid {
  margin-top: 20px;
  padding-left: 25px;
}