.show{ display:block;}
.hide{ display:none;}
.clear{ clear:both;}

#master_container{ position:absolute; height:0px; width:0px; background:#fffeff; left:50%;  visibility:hidden; z-index:21; top:111px; padding:20px;}
#modal_container{ float:left; display:inline; display:none;}
#overlay{  background:#0971AD; position:absolute; z-index:20; top:0; left:0; visibility:hidden; }
#pre_loader{ position:absolute; left:10px; top:10px;}

.close_modal{ margin:7px 7px 0 0; position:absolute; clear:both; z-index:300px; top:0px; right:10px; visibility:hidden;}