.chart-png {
  display:          none;
  position:         fixed;
  z-index:          1000;
  padding-top:      30px;
  left:             0;
  top:              0;
  width:            100%;
  height:           100%;
  text-align:       center;
  overflow:         auto;
  background-color: rgba(0,0,0,0.75);
}

.close-chart-png {
  position:    absolute;
  top:         12px;
  right:       1px;
  font:        32px arial, sans-serif;
  float:       right;
  z-index:     12;
  cursor:      pointer;
  color:       #bbb;
  line-height: 0px;
}