#board {
  padding: 10px;
  background-color: #bde6ff;
  width: 450px;
  margin: auto;
  border-radius: 8px;
  position: relative;
  height: 450px;
}

.row {
  display: flex;
}

.square {
  background-color: #e3f7fc;
  width: 80px;
  height: 80px;
  margin: 5px;
  border-radius: 4px;
}

#grid-container {
  position: absolute;
  z-index: 1;
}

#block-container {
  margin: 5px;
  position: absolute;
  z-index: 2;
}