#content{
  vertical-align: middle;
}

#toolbar{
  background-color: gray;
  padding-left: 10px;
  padding-right: 10px;
}

#base{
  z-index: 0;
  pointer-events: none;
}

#myCanvas{
  z-index: 1;
}

#content{
  margin-left: 10px;
}

body{
  display: flex;
}