.node {
  stroke: #fff;
  stroke-width: 1.5px;
}
.link {
  stroke: #999;
  stroke-opacity: .6;
}
body {
  margin: 0;
}
.topnav {
  overflow: hidden;
  background-color: #333;
}
.vizContainer {
  margin: 10px;
}

.topnav a {
  float: left;
  color: #f2f2f2;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
  font-size: 17px;
}

.topnav a:hover {
  background-color: #ddd;
  color: black;
}

.topnav a.active {
  background-color: #0099FF;
  color: white;
}

/* Create two unequal columns that floats next to each other */
.column {
  float: left;
  /* padding: 10px; */
}

.left {
  width: 65%;
}

.right {
  width: 35%;
  height: 100%;
}

/* Clear floats after the columns */
.row:after {
  content: "";
  display: table;
  clear: both;
}