.menu_top_li {
  position: relative;
}

.submenu .menu_top_link{
    padding: 10px 15px;
}

.menu_top_li .submenu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  z-index: 1000;
  background: #fff;
  min-width: 220px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.menu_top_li.parent:hover > .submenu {
  display: block;
}

.menu_top_li .submenu .menu_top_li {
  float: none;
  display: block;
}

.menu_top_li .submenu .menu_top_link {
  display: block;
  white-space: nowrap;
}

.menu_top_li.parent > .menu_top_link:after{
    content: "";
    display: inline-block;
    vertical-align: middle;
    width: 6px;
    height: 6px;
    margin-left: 8px;
    margin-top: -4px;
    border-right: 1px solid currentColor;
    border-bottom: 1px solid currentColor;
    transform: rotate(45deg);
}

.menu_top_li.parent:hover > .menu_top_link:after{
	transform: rotate(-135deg);
	margin-top: 2px;
}