.Chemistry,
.Chemistry .title a {
  background-color: #343867;
  color: white;
}

.Mathematics,
.Mathematics .title a {
  background-color: #671d40;
  color: white;
}

.Physics,
.Physics .title a {
  background-color: #F5881F;
  color: black;
}

.Biology,
.Biology .title a {
  background-color: #AFD136;
  color: black;
}

.Engineering,
.Engineering .title a {
  background-color: #FFC906;
}