.sub-menu {
 position: absolute;
  top: 100%;
  left: 0;
  z-index: 1000;
  display: none;
  float: left;
  min-width: 10rem;
  padding: 0.5rem 0;
  margin: 0.125rem 0 0;
  font-size: 1rem;
  color: #212529;
  text-align: left;
  list-style: none;
  background-color: #fff;
  background-clip: padding-box;
  border: 1px solid rgba(0, 0, 0, 0.15);
  border-radius: 0.25rem;
}
.dropdown-menu .dropdown-toggle::after {
    vertical-align: middle;
    border-left: 4px solid;
    border-bottom: 4px solid transparent;
    border-top: 4px solid transparent;
}
.sub-menu .menu-item-has-children .sub-menu {
    left: -100%;
    top: 0%;
    margin:0 20px;
    border-width: 0;
}


.dropdown-menu > li.show > a{
	color: white;
}

@media (min-width: 768px) {
    .sub-menu .menu-item-has-children .sub-menu {
        margin:0;
        border-width: 1px;
    }
}