{
  padding: 0;
}
</style>


<style type="text/css">
.dropdown-submenu {
  position: relative;
}
.dropdown-submenu>.dropdown-menu {
  top: 0;
  left: 100%;
  margin-top: -6px;
  margin-left: -1px;
  border-radius: 0 6px 6px 6px;
}
.dropdown-submenu:hover>.dropdown-menu {
  display: block;
}
.dropdown-submenu>a:after {
  display: block;
  content: " ";
  float: right;
  width: 0;
  height: 0;
  border-color: transparent;
  border-style: solid;
  border-width: 5px 0 5px 5px;
  border-left-color: #cccccc;
  ma