.mblDomButtonWhiteMinus {
  position: relative;
  width: 29px;
  height: 29px;
}
.mblDomButtonWhiteMinus > div {
  
  position: absolute;
  top: 12px;
  left: 8px;
  width: 13px;
  height: 3px;
  margin: 0px;
  font-size: 1px;
  background-color: white;
  border-top: 1px solid #4a5a71;
}