html, body {
  margin: 0;
  padding: 0;
}

.display {
  width: 100vw;
  background: #85144b;
  color: #9CB7E2;
  font-family: 'Supermercado One', cursive;
  transition: .5s ease background-color;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  min-height: 100vh;
  position: relative;
}

.explain {
  width: 100%;
  text-align: center;
  color: #E8E599;
  font-size: 20px;
}

#target {
  font-size: 100px;
  width: 100%;
  cursor: pointer;
  text-align: center;
}

.listening {
  background-color: #3D9970;
}

.listening #toggle {
  background-color: #85144b;
}

#toggle {
  width: 150px;
  height: 150px;
  display: block;
  margin: 0 auto;
  border-radius: 50%;
  background-color: #3D9970;
  color: white;
  font-family: 'Supermercado One', cursive;
  font-size: 25px;
  cursor: pointer;
}

.takeover {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  background-color: rgba(25, 25, 25, .9);
  color: white;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
}

a {
  color: white;
}

a:hover, a:active {
  color: #ddd;
}