body{ 
  margin: 3vmin;
  background-color: rgba(82,82,82,.74);
  font-family: "Open Sans", sans-serif;
  font-size: 18px;
  color: white;
  padding: 5px 25px;
}


#menu{ 
  width: 100%;
    max-width: 400px;
    margin: 0 auto; 
    text-align: center;
    padding-top: 5px;
    padding-bottom: 30px;
 }

  ul{ 
  list-style: none; 
  padding-left: 0;
  padding-top: 20px;
 }
 ul li{
  display: inline-block; 
  padding: 5px;
  background-color: #eee;
  margin-right: 10px;
  border: solid 1px grey;
  box-shadow: 1px 1px 5px black;
  border-radius: 5px;
  margin-bottom: 10px;
 }
 ul li a{
  text-decoration: none;
  color: black;
 }



#canvas{ 
  width: 500px; 
  height: 400px; 
  background-color: #ccbeb5; 
  margin:0 auto;
  position:relative;
}

#white, #green_s{ 
  position:absolute;
  width: 160px; 
  height: 120px;
  margin: 0;
}

#green_b, #green_s{ 
  background-color: #005d3b;
  position:absolute;
  margin: 0;
}

#white{
  background-color: #ccbeb5;
  left: 250px;
  top: 140px;
}

#green_b{
  width: 250px; 
  height: 400px;
  left: 250px;
}

#green_s{
  right: 250px;
  top: 140px;
}