body {
  background-color: #dde5ee;
  color:#000;
}

h1 {
  text-align: center;
  color:#123;
}

.bodySection {
  border: 1px dotted gray;
  padding: 10px;
  padding-left: 20px;
  padding-right: 20px;
  margin: 20px;
  background-color:#d0d5de;
}
.exerciseSection {
  border: 1px dotted gray;
  background-color:#bdc5ce;
  padding: 10px;
  padding-left: 20px;
  padding-right: 20px;
  margin: 20px;
  color: #012;
}

.errorMessage {
  font-weight: bold;
  font-style: italic;
  color: #911;
}

.positiveMessage {
  font-weight: bold;
  color: #376;
}