#overlay {
  position: fixed;
  top: -100vh;
  left: -100vw;
  height: 100vh;
  width: 100vw;
  background-color: rgba(0,0,0,0.5);
}
#overlay-container {
  position: relative;
  top: 10vh;
  left: 10vw;
  height: 60vh;
  width: 80vw;
  font-size: 0;
}
.overlay-link {
  display: inline-block;
  margin-right: 1vw;
  margin-bottom: 1vh;
  padding: 1vh 1vw 1vh 1vw;
  font-size: 6vmin;
  height: 11vh;
  line-height: 11vh;
  width: 37vw;
  background-color: #7BB678;
  text-align: center;
  font-family: bitter;
  vertical-align: bottom;
  transition: 0.3s;
}
.overlay-link:hover {
  margin-bottom: 0vh;
  margin-top: -1vh;
  margin-left: -1vw;
  margin-right: 0;
  background-color: #11650D;
  height: 13vh;
  width: 39vw;
  line-height: 13vh;
}
#overlay .smalltext {
  font-size: 4vmin;
}
#overlay .tinytext {
  font-size: 3vmin;
}
#overlay-closer {
  display: inline-block;
  margin-right: 1vw;
  margin-bottom: 1vh;
  padding: 1vh 1vw 1vh 1vw;
  font-size: 6vmin;
  height: 11vh;
  line-height: 11vh;
  width: 37vw;
  background-color: #EC644B;
  text-align: center;
  font-family: bitter;
  vertical-align: bottom;
  transition: 0.3s;
}
#overlay-closer:hover {
  margin-bottom: 0vh;
  margin-top: -1vh;
  margin-left: -1vw;
  margin-right: -1vw;
  background-color: #EF4836;
  height: 13vh;
  width: 39vw;
  line-height: 13vh;
}