body {
  display: flex;
  flex-direction: column;
  align-items: center;
  font-family: sans-serif;
  padding: 16px;
  background-color: white;
}

h1 {
  text-align: center;
  margin-bottom: 16px;
}

.sizeButton {
  margin-bottom: 16px;
  padding: 8px 16px;
  font-size: 16px;
  cursor: pointer;
}

#container {
  display: flex;
  flex-wrap: wrap;
  width: 384px;
  border: 1px solid black;
}

.tile {
  box-sizing: border-box;
  border: 0.5px white ;
}