styles.css

.mybefore {
  background-color: #AAAAAA;
  width: 160px;
  height: 120px;
}
.myafter {
  background-color: #00aaaa;
  width: 160px;
  height: 120px;
}
.myoriginal {
  background-color: rgba(64, 128, 255, 0.5);
  width: 80px;
  height: 60px;
}
.myup {
  background-color: rgba(115, 162, 255, 0.75);
  width: 80px;
  height: 60px;
}
.mydown {
  background-color: rgba(0, 72, 217, 0.25);
  width: 80px;
  height: 60px;
}
.mygray {
  background-color: #9f9f9f;
  width: 80px;
  height: 60px;
}