.domain-group-tab-menu{
  padding-right: 15px;
  padding-left: 0;
}
.domain-group-tab-menu .list-group>a.active:after{
  content: '';
  position: absolute;
  right: 100%;
  top: 50%;
  margin-top: -13px;
  border-left: 0;
  border-bottom: 13px solid transparent;
  border-top: 13px solid transparent;
  border-right: 10px solid #428bca;
}