.read-more-less {
  position: relative;
  padding-right: 15px;
  display: inline-block;
  outline: none!important;
}
.read-more-less:after {
  position: absolute;
  top: 9px;
  right: 0;
  content: '';
  width: 6px;
  height: 6px;
  background: transparent;
  border-top: 1px solid #43abef;
  border-right: 1px solid #43abef;
  transform: translate3d(0, -50%, 0) rotate(135deg);
}
.read-less:after {
  top: 13px;
  transform: translate3d(0, -50%, 0) rotate(-45deg);
}