* {
  margin: 0;
  padding: 0;
}
#song-container {
  height: 100vh;
  width: 100vw;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background-color: #012622;
}
#song-image-container {
  border: solid 2px black;
  height: 40%;
  width: 20%;
  min-width: 300px;
  border-radius: 25%;
  overflow: hidden;
  background-color: black;
}
#song-image {
  z-index: -10;
  width: 100%;
  height: 100%;
  object-fit: contain;
}
h1,
#title,
#author,
#sheet {
  color: #368f8b;
  text-align: center;
}
h1 {
  font-size: 9vh;
}
#title {
  font-size: 35px;
}
#author {
  font-size: 25px;
}
#sheet {
  font-size: 25px;
}

.btn {
  background-color: #368f8b;
  margin-top: 20px;
  border-radius: 6px;
  color: white;
  cursor: pointer;
  font-size: 3vh;
  padding: 6px 16px;
  font-family: Arial, Helvetica, sans-serif;
  outline: none;
  box-shadow: none;
  -webkit-tap-highlight-color: transparent;
  border: 2px solid black;
}
.btn:focus {
  outline: none;
  box-shadow: none;
}
.btn-disabled {
  background-color: transparent;
}
.disabled {
  display: none;
}