@charset "UTF-8";.chart01{position:relative}.chart01 #plc,.chart01 a{position:absolute;z-index:2}.chart01 a{display:block}.chart01 .watercloud{top:0;left:0;width:100%;height:27%}.chart01 .wirelessmete{top:30%;left:0;width:100%;height:32%}.chart01 .modbus{top:65%;left:51%;width:49%;height:34.5%}.chart01 #plc{top:65%;left:0;width:50%;height:32%}