#one {position: absolute; top: 50px; left: 50px;}
#two {position: absolute; top: 440px; left: 10px; z-index: 1;}
#three {position: absolute; top: 440px; left: 10px; z-index: 2;}
#four {position: absolute; top: 440px; left: 135px; z-index: 2;}
#five {position: absolute; top: 500px; left: 10px; z-index: 3;}
#six {position: absolute; top: 440px; left:280px; z-index: 2;}
#seven {position: absolute; top: 440px; left: 405px; z-index: 2;}
#eight {position: absolute; top: 500px; left: 495px; z-index: 3;}
#nine {position: absolute; top: 555px; left: 251px; z-index: 2;}
#ten {position: absolute; top: 555px; left: 280px; z-index: 2;}
#eleven {position: absolute; top: 660px; left: 20px;}
#twelve {position: absolute; top: 530px; left: 8px; z-index: 3;}
#thirteen {position: absolute; top: 530px; left: 470px; z-index: 3;}
#fourteen {position: absolute; top: 565px; left: 10px; z-index: 3;}
#fifteen {position: absolute; top: 605px; left: 288px; z-index: 3;}
#sixteen {position: absolute; top: 530px; left: 289px; z-index: 3;}
#seventeen {position: absolute; top: 600px; left: 470px; z-index: 3;}
#eighteen {position: absolute; top: 600px; left: 08px; z-index: 3;}
#nineteen {position: absolute; top: 570px; left: 288px; z-index: 3;}
#twenty {position: absolute; top: 536px; left: 288px; z-index: 3;}