body {
  background: lightgray;
}
#map {
  height: 100%;
}
section {
  padding: 10px;
  background: #F0F0F0;
}
table {
  border-collapse: collapse;
  border: 2px solid black;
  margin-top: 2px;
  margin-bottom: 2px;
}
th, td {
  padding-left: 5px;
  padding-right: 5px;
  border: 1px solid black;
  text-align: center;
}
pre {
  width: 60%;
  color: white;
  background: #0F0F0F;
}
.jumbotron {
  margin-top: 30px;
}