html,
body {
  height: 100%;
}

body {
  height: 100vh;
  background-color: #f0f0f0;
  font-family: Arial, Helvetica, sans-serif;
  margin: 0;
}

.album-cover img {
  width: 100%;
  max-width: 300px;
  border-radius: 12px;
  transition: transform 0.3s ease-in-out;
}

.album-cover:hover img {
  transform: scale(0.98);
}

button:active {
  transform: scale(0.95);
}

#icon-play-pause {
  font-size: 40px;
}

.progress {
  height: 60px;
  display: block;
  background: none;
  border-radius: 0;
  color: black;
  padding: 0;
  margin: 0 0 6px 0;
  display: block;
  font-weight: 600;
}

#input-seek-bar {
  height: 16px;
  background: #ccc;
  border-radius: 3px;
  cursor: pointer;
  outline: none;
  width: 100%;
}

#visualizer {
  width: 100%;
  height: 100px;
  background-color: #ddd;
  border-radius: 6px;
}

#bottom-row:hover {
  color: green;
}
#btn-heart:hover {
  color: red;
}

#btn-shuffle.active,
#btn-repeat.active {
  background-color: #474747;
  color: white;
}

#playlist .active {
  background-color: #dee2e6;
  font-weight: bold;
}

.hidden {
  display: none !important;
}