nav{
	display: flex;
  justify-content: center;
  align-items: center;
  }
  
  body { margin: 0; display: flex; flex-direction: column; }
#drawing-board {
    border: 1px solid black;
    cursor: crosshair;
}
.toolbar {
    display: flex;
    gap: 10px;
    padding: 10px;
    background-color: #f0f0f0;
}