style.css

body {
  font-family: "Lato", sans-serif;
  font-size: 16px;
  font-weight: normal;
  color: #555;
}

h1 {
  padding: 10px;
  border: 3px solid #777;
  font-size: 1.8em;
}

h2 {
  padding: 0px;
  margin: 0px 20px 0px 0px;
  font-size: 1.5em;
}

h3 {
  padding: 0px;
  margin: 20px 0px 0px 0px;
  font-size: 1.2em;
}

h4 {
  padding: 0px;
  margin: 20px 0px 0px 0px;
  font-size: 1em;
}

hr {
  margin: 2px 0px 0px 0px;
  height: 2px;
  border-width: 0;
  color: #bbb;
  background-color: #bbb;
}

.title {
  display: block;
  font-size: 0.75em;
  font-style: italic;
  color: #777;
  margin-bottom: 5px;
  text-decoration: underline;
}

.sample {
  border: 2px dotted lightgrey;
  padding: 10px;
}

.answer {
  border: 2px solid lightgrey;
  margin: 20px 0px;
  padding: 10px;
}

.nb {
  font-size: 0.75em;
  color: #888;
}

kbd {
  font-family: monospace;
}

.alert h1, h2, h3, h4, h5, h6 {
  margin-top: 0;
}

.alert {
  background-color: rgb(248, 248, 248);
  padding: 5px;
  margin: 5px;
  font-size: 0.85em;
  color: #666;
  text-align: left;
  display: inline-block;
}

.info {
  background-color: rgb(243, 248, 250);
}

.warning {
  background-color: rgb(253, 248, 243);
}

.danger {
  background-color: rgb(254, 246, 246);
}

.container {
  display: flex; }

.col {
  flex: 1; }

.col-2 {
  flex: 2; }

.col-3 {
  flex: 3; }

.col-4 {
  flex: 3; }

html, body, #map { height: 100%; }

.selected {
  fill: red;
}
.cities {
  fill: whitesmoke;
  stroke: #666;
  stroke-width: 0.5px;
}

path {
  stroke: black;
  stroke-width: .5;
  fill: lightgray;
}
circle {
  stroke: white;
  stroke-width: .25;
  fill: rgba(255,0,0,.3)
}