.canvas {
    float: left;
    margin: 50px;
}

#topbar {
  display: flex;
  justify-content: space-around;
  font-size: 30px;
  border-bottom: 1px solid black;
  font-weight: bold;
  
}
#topbar > div {
  cursor: pointer;
}


#topbar span {
    font-weight: normal;
  }