body {
  padding: 0;
  margin: 0;
}

h3 {
  font-size: 2em;
}

h4 {
  font-size: 1.8em;
}

h5 {
  font-size: 1.6em;
}

.user-guide-center {
  display: block;
  margin-left: auto;
  margin-right: auto;
  padding: 15px 0 15px 0;
}
.main-heading {
  background: #f98710;
  color: white;
  height: 1.5em;
  padding: 10px 0 0 15px;
}

.secondary-heading {
  padding-left: 15px;
  color: #596377;
}

.user-guide-content {
  padding: 0 20% 0 20%;
}

.visualization-types {
  border: 1px solid grey;
  border-collapse: collapse;
}
.visualization-types td {
  border: 1px solid grey;
  padding: 10px;
  background: #f1f3f7;
}