body {background-color:black;}
h1 {color:purple; text-align:center; font-size:40px;}
.container {
  display:flex;
  justify-content:space-around;
  background-color: purple;
  border:2px solid black;
    height:80vh;
  margin-bottom:5px;}

.box {
 font-size:20px;
  width:60vh;
    height:60vh;
    background-color: black;
    color:white;
    border:1px solid white;
    margin:15px;
  padding:0.5em;
}
.box {
  display:flex;
  justify-content:space-around;}