.nav, .nav ul, .nav li {
  list-style: none;
}

.nav ul {
  padding: 0;
  margin: 0 0 0 18px;
}

.nav {
  padding: 4px;
  margin: 0px;
}

.nav > li {
  margin: 4px 0;
}

.nav > li li {
  margin: 2px 0;
}

.nav a {
  color: #333;
  display: block;
  outline: none;
  -webkit-border-radius: 4px;
  -moz-border-radius: 4px;
  border-radius: 4px;
  text-decoration: none;
}

.nav li > a > span {
  float: right;
  font-size: 19px;
  font-weight: bolder;
}

.nav li > a:hover > span {
  color: #fff;
}

.nav li > a > span:after {
  content: '\25be';
}
.nav li.open > a > span:after {
  content: '\25b4';
}

.nav a:hover, .nav li.active > a {
  background-color: #5D5D5D;
  color: #f5f5f5;
}

.nav > li.active > a  {
  background-color: #4D90FE;
}

.nav li a {
  font-size: 12px;
  line-height: 18px;
  padding: 2px 10px;
}

.nav > li > a {
  font-size: 14px;
  line-height: 20px;
  padding: 4px 10px;
}