.magnetic-materials1{width:207px; height:225px ;}
.magnetic-dipole{width:172px; height:50px ;}
.paramagnetism{width:120px; height:257px ;}
.diamagnetism{width:200px; height:116px ;}
.diamagnetism1{width:114px; height:151px ;}
.ferromagnet{width:145px; height:206px ;}
.magnetic-materials2{width:207px; height:326px ;}