body{
  display: flex;
  flex-direction: row;
  background-color: lightblue;
  padding: 5% 0 0 0;
  overflow-x: none;
  overflow-y: none;
}
menu{
  margin: 0;
  width: 20%;
  background-color: rgb(0, 0, 0);
  border: 2px solid black;
  border-left: none;
  border-right: none;
}
p{
  color: white;
}
main{
  display: flex;
  justify-content: center;
  align-items: center;
  width: 60%;
  background-color: rgb(70, 40, 15);
  border: 2px solid black;
}
right{
  width: 20%;
  background-color: rgb(0, 0, 0);
  border: 2px solid black;
  border-left: none;
  border-right: none;
}
#canvas{
    border: 10px solid rgb(121, 69, 25);
    background-color: white;
    z-index: 100;
}
#fullScreenBtn{
  position: absolute;
  top: 81vh;
  left: 71.5vw;
  z-index: 101;
}