body{
    font-family: sans-serif;
}
.box{
  border: solid black 1px;
  width:100px;
  height: 100px;
}
.row {
  display: flex;
  flex-direction: row;
}
.game-container-width {
  width: 215px;
  display: flex;
  flex-wrap: wrap;
}
button{
    margin-top:10px;
}
.knopf {
    width: 90px;
    text-align: center;
}