//start z-index http://en.wikipedia.org/wiki/List_of_tallest_buildings_in_the_world
.khalifa {z-index: 99999;}
.shanghai {z-index: 8000;}
.makkah {z-index: 7000;}
.owtc {z-index: 6000;}
.taipei {z-index: 5000;}
.swfc {z-index: 4000;}
.icomm {z-index: 3000;}
.petronas {z-index: 2000;}
.zifeng {z-index: 1000;}
.sears {z-index: 100;}
//eof z-index