.axis path,
.axis line { 
   fill:none;
   stroke: #000
   }

.chart div { 
  background-color: white;
} 

.line_dhz {
  fill: none;
  stroke: #3366FF;
  stroke-width: 1.5px;
}

.line_hsd {
  fill: none;
  stroke-width: 1.5px;
}

.backrect {
 fill: #FFFFFF;
 stroke: #000000;
 stroke-width: 1.5;
}

.line_aceB {
 fill: none;
 stroke: #FF0000;
 stroke-width: 1.0px;
}

.line_ace_v {
 fill: none;
 stroke: #CC00CC;
 stroke-width: 1.0px;
}