html {
  font-family: Georgia;
}

header {
  background-color: dodgerblue;
  color: white;
  padding: 10px;
  text-align: center;
}

main {
  background-color: lightblue;
  padding: 100px;
}

#left {
  background-color: dodgerblue;
  color: white;
  width: 20%;
  height: 220px;
  float: left;
}

#middle, #right {
  background-color: dodgerblue;
  color: white;
  width: 40%;
  height: 220px;
  text-align: center;
  float: left;
}

a {
  border: dashed 1px dimgray;
  background-color: gold;
  color: darkred;
  padding: 10px;
}