.animation {
  background-color: #900; }

.animation-content {
  position: relative;
}



.animation-content section {

}

.animation-content section:nth-child(even) {
  background-color: #ff2228;
  color: #FFF;
}

.animation-content section:nth-child(odd) {
  background-color: #FFF;
  border: 1px solid #000;
}
body.path-testing .music-notes .intro {
  background-image: none;
}