.pythagoras1{width:137px; height:183px ;}
.pythagoras2{width:180px; height:218px ;}
.pythagoras3{width:170px; height:117px ;}
.pythagoras5{width:164px; height:250px ;}
.pythagoras5{width:164px; height:250px ;}
.pythagoras4{width:px; height:px ;}