chad-music/front/src/App.css

.App-logo {
  height: 64px;
  padding: 8px;
  float: left;
}

.App-header {
  background-color: #222;
  height: 80px;
  color: white;
}

.App-title {
  font-size: 1.5em;
  margin: 0;
  line-height: 80px;
}

.App-intro {
  font-size: large;
}

.Player {
  text-align: left;
  padding: 0 20px;
}

.section {
  float: left;
  padding: 0 10px 0 0;
  width: 256px;
}
.section:nth-child(2) { width: 128px; }
.section:nth-child(5) { width: 128px; }

.Filter {
  width: 100%;
  padding: 9px;
  border: 1px solid gray;
  border-radius: 4px;
}

.Controls {
  margin: 16px 0;
}
.Controls-progress {
  width: 540px;
  border: 1px black solid;
  height: 16px;
  position: relative;
  margin-bottom: 8px;
}
.Controls-progress span {
  font-size: 14px;
}
.Controls-bar {
  background: cadetblue;
  height: 16px;
}
.Controls-elapsed {
  position: absolute;
  left: 2px;
  top: 0;
}
.Controls-duration {
  position: absolute;
  right: 2px;
  top: 0;
}
.Controls button {
  margin-right: 8px;
}

.Playlist-active {
  background: darkseagreen;
}