.magnetic-field1{width:179px; height:138px ;}
.magnetic-field2{width:179px; height:236px ;}
.magnetic-field3{width:166px; height:106px ;}
.magnetic-field4{width:161px; height:216px ;}
.magnetic-field5{width:156px; height:112px ;}
.magnetic-field6{width:120px; height:339px ;}
.magnetic-field7{width:120px; height:67px ;}
.magnetic-field8{width:131px; height:66px ;}
.magnetic-field9{width:120px; height:67px ;}