css

.body {

  background: black;


}


.flexcontainer {

  display: flex;
  flex-direction: row;
  flex-wrap: wrap;

}

.box1 {

  background-color: darkgreen;
  text-align: center;
  color: white;
  width: 100px;
  height: 100px;
  margin: 10px;
  padding: 5px;
  flex-grow: 1;
  border-radius: 5px;
  border: white 1px solid;

}

.box2 {

  background-color: darkviolet;
  text-align: center;
  color: white;
  width: 100px;
  height: 100px;
  margin: 10px;
  padding: 5px;
  border-radius: 5px;
  border: white 1px solid;

}