.custom-info-box {
  background: #fff;
  width: 250px;
  height: 231px;
  position: absolute;
  z-index: 50;
}

.custom-info-box .pointer {
  position: absolute;
  width: 20px;
  height: 20px;
  background: #fff;
  bottom: -8px;
  left: 0;
  right: 0;
  margin: auto;
  transform: rotateZ(45deg);
}

.custom-info-box .header {
  width: 100%;
  height: 50px;
  background: #f5c607;
  padding: 0 13px;
  line-height: 50px;
  color: #fff;
  font-size: 13px;
  
  box-sizing: border-box;
  -moz-box-sizing: border-box;
  -webkit-box-sizing: border-box;
  -o-box-sizing: border-box;
  -ms-box-sizing: border-box;
}