.arrow-up::before {
  content: " ";
  width: 0;
  height: 0;
  border-left: 9px solid transparent;
  border-right: 9px solid transparent;
  border-bottom: 9px solid rgba(0, 0, 0, 0.15);
  position: absolute;
  margin-top: -17px;
  margin-left: 12px;
}  
  
  .arrow-up::after {
    content: " ";
    border-bottom-color: #88b7d5;
    width: 0;
    height: 0;
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-bottom: 8px solid #fff;
    position: absolute;
    margin-top: -16px;
    margin-left: 13px;
    top: 8px;
    left: 0px;
  }

  .circle {
      border-radius: 50% !important;
  }

  .mark-box-shadow {
    -webkit-box-shadow: 0px 0px 20px 0px rgba(0,0,0,0.75);
    -moz-box-shadow: 0px 0px 20px 0px rgba(0,0,0,0.75);
    box-shadow: 0px 0px 20px 0px rgba(0,0,0,0.75);     
    background-color: #FFF;
}

.margin-right-8 {
  margin-right: 8px;
}
.margin-top-21 {
  margin-top: 21px;
}