body {
  background-color: #ca4b4b;
  color: black;
  font-family: 'Courier New', monospace;
}
a:link {
  color: #5c1616;
}
a:visited {
  color: #471111;
}
a:hover {
  color: #de2a2a;
}
a:active {
  color: #aa1f1f;
}
.center {
  display: block;
  margin-left: auto;
  margin-right: auto;
  width: 50%;
}
.box1 {
  height: 200px;
  width: 200px;
  background-color: #37a3e4;
}
.box2 {
  height: 200px;
  width: 200px;
  background-color:  #ffce6d;
}
.container {
  display: flex;
}