html, body {
  margin: 0;
  height: 100%;
}

body {
  background-color: black;
  overflow: hidden;
}

#base {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.map{
  max-width: 1190px;
  height: 95vh;
  visibility: hidden;
  opacity: 0.5;
  position: fixed;
}

.tip{
  display: inline-block;
}

#overlay {
  position: fixed;
  width: 150px;;
  height: auto;
  top: 0;
  right: 0;
  background-color: lightgrey;
  padding: 5px;
  margin: 5px;
}

h2{
  margin: 0 0 10px 0;
  text-align: center;
}

.tipText {
  visibility: hidden;
  position: absolute;
  z-index: 1;
  background-color: lightgrey;
  right: 160px;
  margin: 10px;
  padding: 10px;
  width: 170px;
  border: solid 1px;
}

.tip:hover .tipText {
  visibility: visible;
}

.key {
  width: 10px;
  height: 10px;
}

#return{
  color: lightgrey;
  position: absolute;
  top: 0;
  right: 0;
  z-index: 99;
  font-size: 15px;
  padding: 5px;
}

#logo {
  width: 15px;
  height: 15px;
  position: absolute;
  right: 0;
  bottom: 0;
  padding: 5px 0;
}

.dropdown{
  position: absolute;
  left: 0;
  top: 0;
  width: 100px;
  height: 100px;

}

.dropbtn{
  width: 50px;
  height: 50px;
  margin: 25px;
}

.dropbtn img{
  height: 50px;
}

.dropdown:hover .dropdownContent{
  display: block;
}

.dropdownContent{
  display: none;
}

.dropdownContent img{
  width: 50px;
  height: 50px;
  margin: 0 10px;
}