.container {
  display: flex;
  margin-bottom: 2vh;
  background-color: lightblue;
  height: 28vh;
  border: solid 2px;
}


.box {
  width: 20vw;
  height: 15vh;
  background-color: #0563F0;
  color: #FFF;
  border: 0.3vh solid black;
  margin: 5px;
}

.stretch-box { /*used instead of .box in the stretch example*/
  width: 20vw;
  height: auto;
  background-color: #0563F0;
  color: #FFF;
  border: 0.3vh solid black;
  margin: 5px;
}

h1, h2 {
 font-family: "Arial", sans-serif; 
}