.dropdown-submenu {
  position: relative;
}

.dropdown-menu {
  margin: -0.125rem 0 0;
}

.dropdown-submenu>a:after {
  content: "\e5df";
  margin-top: -0.33rem;
  font-size: 24px;
  float: right;
  border: none;
  font-family: 'Material Icons';
}

.dropdown-submenu>.dropdown-menu {
  top: 0;
  left: 100%;
  margin-top: 0px;
  margin-left: 0px;
}