h1{
  text-align: center;
}

figure{
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  grid-column-gap: 2.5vmin;
  width: 90vmin;
  height: 35vmin;
  margin: 25vmin auto 25vmin auto;
  background-color: white
}

figure div:nth-child(1){
  background-color:maroon
}
figure div:nth-child(2){
  background-color:goldenrod
}
figure div:nth-child(3){
  background-color:black
}