body {
  font-family: 'Pacifico', cursive;
  background-color: whitesmoke;
}
.container {
  text-align: center;
  width: 375px;
  height: 667px;
  background-color: #1a472a;
  border: 12px solid #333;
  border-radius: 40px;
  margin: 50px auto;
  box-shadow: 0 10px 30px;
  position: relative;
  color: white;

  display: flex;
  flex-direction: column;
  justify-content: space-around;
  align-items: center;
  padding: 40px 0;
}

h1,
h2 {
  color: white;
}
audio {
  margin-bottom: 20px;
}
.navigation-controls button {
  background: none;
  border: 2px solid white;
  color: white;
  border-radius: 50%;
  width: 50px;
  height: 50px;
  font-size: 20px;
  cursor: pointer;
  margin: 0 15px;
}