.section-intro {
  border: 3px solid #ccaacc !important;
}
.section-verse {
  border: 3px solid dodgerblue !important;
}
.section-chorus {
  border: 3px solid green !important;
}
.section-bridge {
  border: 3px solid orange !important;
}
.section-interlude {
  border: 3px solid purple !important;
}
.section-turnaround  {
  border: 3px solid #ccbb33 !important; /* or another color to distinguish it */
}