html, 
body {
  font-family: "Calibri", Arial, Tahoma, sans-serif;
  margin: 0;
  padding: 0;
}

a:active,
a:hover {
  color: #FF3961
}

.hidden {
  visibility: hidden;
}

.visible {
  visibility: visible;
}

header {
  margin: 0;
}

nav,
nav ul {
  font-family: "Calibri", Arial, Tahoma, sans-serif;
  background-color: #000;
  margin: 0;
}

nav li {
  padding: 0.5em;
  border: 1px solid white;
  border-bottom: none;
  background-color: #000;
  color: #fff;
  display: inline-block;
}

nav li a {
  text-decoration: none;
  color: #fff;
}

nav li a:active,
nav li a:hover {
  color: #FF3961;
}

#loading {
  font-family: "Calibri", Arial, Tahoma, sans-serif;
  font-size: 20px;
  font-weight: bold;
  text-align: center;
  padding: 1em;
  color: #fff;
  background-color: #FF3961;
}

#mapid { 
  height: 75vh;
  width: 90vw;
  margin: auto;
}

.circle {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: inline-block;
  margin: 10px 10px -5px 0;
}

.leaflet-control-layers-expanded {
  width: 16em;
}

.info {
	padding: 6px 8px;
	font: 14px/16px Arial, Helvetica, sans-serif;
	background: white;
	background: rgba(255,255,255,0.8);
	box-shadow: 0 0 15px rgba(0,0,0,0.2);
  border-radius: 5px;
  width: 16em;
}

.info h4 {
	margin: 0 0 5px;
	color: #777;
}

.intro {
  margin: 0.5em 1em;
  border-radius: 5px;
  font-family: "Calibri", Arial, Tahoma, sans-serif;
}

header {
  margin: auto;
  display: grid;
  grid-template-columns: auto 1fr auto;
  padding: 0.5em 1em;
  font-family: "Calibri", Arial, Tahoma, sans-serif;
  background-color: #000;
  color: #fff;
}

#title {
  display: flex;
  align-items: center;
}

#logo {
  height: 4em;
  margin-right: 1em;
}

#beta {
  font-family: "Comic Sans", Helvetica, Arial, sans-serif;
  font-weight: bold;
  font-size: 1.4em;
  margin-left: 1em;
  transform: rotate(-35deg);
  background-color: #fff;
  color: #FF3961;
  padding: 0.25em 0.5em;
  border-radius: 5px;
}

#mode-switch {
  display: grid;
  align-items: center;
}

#mode-button {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  border: 1;
  border-radius: 0;
  border-color: #FF3961;
  padding: 1em;
  color: #FF3961;
  background-color: #fff;
  font-family: Tahoma, sans-serif;
  border-radius: 10px;
}

.info-page,
.sources {
  max-width: 36em;
  margin: 2em auto;
}

table {
  margin: auto;
  border-collapse: collapse;
  border: 1px solid #000;
  width: 80%;
}

thead {
  color: #000;
  background-color: #bbb;
  height: 2em;
}

tbody tr:nth-child(odd) {
  background-color: #eee;
}

tbody td {
  border: 1px solid #aaa;
  padding: 0.5em 1em;
}

.sources table {
  margin: 0 auto 0 -25%;
  width: 150%;
  max-width: 54em;
}

@media only screen and (max-width: 54em) {

  .sources {
    width: 95vw;
  }

  .sources table {
    margin: 0 auto;
    width: 100%;
    max-width: 100%;
  }
}