.tooltip {
  display: inline-block;
  position: absolute;
  width: 100%;
  border: solid 1px #2376D8;
  top: 48px;
  left: 0;
  box-sizing: border-box;
  background: white;
  border-radius: 3px;
  padding: 20px 10px;
  z-index: 3;
  /*box-shadow: 1px 1px 4px rgba(0,105,255,.5);*/
}

.tooltip:before{
  content: '';
  border: 10px solid transparent;
  border-top-color: white;
  position: absolute;
  left: 2em;
  top: -19px;
  transform: rotate(180deg);
  z-index: 2;
}

.tooltip:after{
  content: '';
  border: 10px solid transparent;
  border-top-color: #2376D8;
  position: absolute;
  left: 2em;
  top: -20px;
  transform: rotate(180deg);
  z-index: 1;
}