#cssmenu {
  position: relative;
  height: 24px;
  background: #fff;
  border: 1px solid #333;
  width: auto;
}

/* Giving a background-color to the nav container. */
#cssmenu nav { 
  margin:0;
  padding: 0;
  background-color: #FFF;
}

#cssmenu nav:after {
  content:"";
  display:table;
  clear:both;
}

#cssmenu nav a {
  padding: 6px 12px;
  color:#333;
  font-size:12px;
  text-decoration:none;
}

#cssmenu ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

#cssmenu ul ul {
  opacity: 0;
  position: absolute;
  top: 160%;
  visibility: hidden;
  transition: all .4s ease;
  -webkit-transition: all .4s ease;
  -webkit-box-shadow: 5px 5px 4px 0 rgba(0, 0, 0, 0.4);
  -moz-box-shadow: 5px 5px 4px 0 rgba(0, 0, 0, 0.4);
  box-shadow: 5px 5px 4px 0 rgba(0, 0, 0, 0.4);
  z-index: 50;
}

#cssmenu ul ul ul {
  top: 0%;
  left: 160%;
  margin-left: -5px;
  margin-top: -1px;
  z-index: 50;
}

#cssmenu ul ul ul ul {
  margin-top: -0.5px;
}

#cssmenu ul ul li:hover > ul {
  top: 0%;
  left: 100%;
  opacity: 1;
  visibility: visible;
}

#cssmenu ul li:hover > ul {
  opacity: 1;
  top: 100%;
  visibility: visible;
}

#cssmenu ul li {
  float: left;
  position: relative;
  height: 24px;
}

#cssmenu ul ul li {
  width: 150px;
  float: none;
  border-top: 1px solid #333;
  border-left: 1px solid #333;
  border-right: 1px solid #333;
}

#cssmenu ul ul li:last-child,
#cssmenu ul ul li.last  {
  border-bottom: 1px solid #333;
}

#cssmenu ul li {
  background-color: #FFF;
  cursor: pointer;
}

#cssmenu ul a {
  text-decoration: none;
  display: block;
  height: 20px;
  color:#333;
  font-size:12px;
  padding: 1px 12px;
  text-align: left;
  font-weight: bold;
}

#cssmenu ul li:hover {
  background: #f6f6f6;
  color: #f66b2a;
}

#cssmenu ul li a:hover {
  background: #f6f6f6;
  color: #f66b2a;
}

#cssmenu nav ul > li.submenu > a:after {
  position: relative;
  float: right;
  content: '';
  margin-left: 10px;
  margin-top: 8px;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 5px solid #333;
  border-bottom: 5px solid transparent;
}

#cssmenu nav ul ul li.submenu > a:after {
  margin-left: auto;
  margin-right: -10px;
  margin-top: 6px;
  border-left: 5px solid #333;
  border-right: 5px solid transparent;
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
}