.content-box-blue,
.content-box-gray,
.content-box-green,
.content-box-purple,
.content-box-red,
.content-box-yellow {
  margin: 0 0 25px;
  overflow: hidden;
  padding: 20px;
}

.content-box-blue {
  background-color: #d8ecf7;
  border: 1px solid #afcde3;
}

.content-box-gray {
  background-color: #e2e2e2;
  border: 1px solid #bdbdbd;
}

.content-box-green {
  background-color: #d9edc2;
  border: 1px solid #b2ce96;
}

.content-box-purple {
  background-color: #e2e2f9;
  border: 1px solid #bebde9;
}

.content-box-red {
  background-color: #f9dbdb;
  border: 1px solid #e9b3b3;
}

.content-box-yellow {
  background-color: #fef5c4;
  border: 1px solid #fadf98;
}