body {
  background-color: #eae4c3;
  font-family: 'Courier New', Courier, monospace;
}
.Header{
  border-style: solid;
  border-radius: 10px;
  border-width: 5px;
  padding:10px;
  margin:5px;
  border-color: #2a2a9e;
}
.Pages{
  border-style: solid;
  border-radius: 10px;
  border-width: 5px;
  padding:10px;
  margin:5px;
  border-color: #2a2a9e;
  display: flex;
}
.About{
  border-style: solid;
  border-radius: 10px;
  border-width: 5px;
  padding:10px;
  margin:5px;
  border-color: #2a2a9e;
}
.column {
  flex: 1; /* equal width */
  border: 2px solid black;
  padding: 10px;
  text-align: center;
}