/*----------------------
* HEAT MAP
*----------------------*/
.heat-map{
  outline: 1px solid #DDDDDD;
  position: relative;
  margin: 0 auto;
  text-align: left;
}
.heat-map iframe{
  opacity: 0.8;
  filter: grayscale(1);
}
.heat-map .markers-area{
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1;
}
.heat-map .markers-area .marker{
  width: 28px;
  height: 28px;
  background-color: rgb(33, 150, 243);
  
  box-shadow: 0 0 8px;
  border-radius: 50% 50% 50% 0;
  position: absolute;
  transform: rotate(-45deg);
  border: 2px solid white;
  z-index: 2;
  cursor: pointer;
}
.heat-map .markers-area .marker span{
  line-height: 28px;
  font-size: 15px;

  position: absolute;
  transform: rotate(45deg);
  color: white;
  width: 100%;
  height: 100%;
  text-align: center;
  z-index: 3;
}
.heat-map .reference{
  display: none;
  width: 20px;
  height: 200px;
  background: linear-gradient(to bottom, rgb(244, 67, 54) 0%, rgb(33, 150, 243) 100%);
  position: absolute; 
  left: -60px;
  top: 0;
}