nav {
  background-color: #aaa;
  border: 1px solid #dedede;
  border-radius: 4px;
  box-shadow: 0 2px 2px -1px rgba(0, 0, 0, 0.055);
  color: #666;
  display: block;
  margin: 8px 4px 8px 4px;
  overflow: hidden;
  width: 90%; 
}

nav ul {
  margin: 0;
  padding: 0;
}

nav ul li {
  display: inline-block;
  list-style-type: none;
  
  -webkit-transition: all 0.2s;
    -moz-transition: all 0.2s;
    -ms-transition: all 0.2s;
    -o-transition: all 0.2s;
    transition: all 0.2s; 
}
  
nav > ul > li > a > .caret,
	  nav > ul > li > div ul > li > a > .caret {
  border-top: 4px solid #aaa;
  border-right: 4px solid transparent;
  border-left: 4px solid transparent;
  content: "";
  display: inline-block;
  height: 0;
  width: 0;
  vertical-align: middle;

  -webkit-transition: color 0.1s linear;
 	  -moz-transition: color 0.1s linear;
 	-o-transition: color 0.1s linear;
    transition: color 0.1s linear; 
}
	  
nav > ul > li > div ul > li > a > .caret {
  border-bottom: 4px solid transparent;
  border-top: 4px solid transparent;
  border-right: 4px solid transparent;
  border-left: 4px solid #f2f2f2;
  margin: 0 0 0 8px;
}

nav > ul > li > a {
  color: #fff;
  display: block;
  line-height: 40px;
  padding: 0 16px;
  text-decoration: none;
}

nav > ul > li:hover {
  background-color: rgb( 40, 44, 47 );
}

nav > ul > li:hover > a {
  color: rgb( 255, 255, 255 );
}

nav > ul > li:hover > a > .caret {
  border-top-color: rgb( 255, 255, 255 );
}

nav > ul > li > div ul > li:hover > a > .caret {
  border-left-color: rgb(255,255,255);
}

nav > ul > li > div,
nav > ul > li > div ul > li > div {
  background-color: rgb( 40, 44, 47 );
  border-top: 0;
  border-radius: 0 0 4px 4px;
  box-shadow: 0 2px 2px -1px rgba(0, 0, 0, 0.055);
  display: none;
  margin: 0;
  opacity: 0;
  position: absolute;
  width: 165px;
  visibility: hidden;
  
  -webkit-transiton: opacity 0.2s;
  -moz-transition: opacity 0.2s;
  -ms-transition: opacity 0.2s;
  -o-transition: opacity 0.2s;
  -transition: opacity 0.2s;
}
	  
nav > ul > li > div ul > li > div {
  background-color: rgb( 40, 44, 47 );
  border-radius: 0 4px 4px 4px;
  box-shadow: inset 2px 0 5px rgba(0,0,0,.15);
  margin-top: -42px;
  right: -165px;
}

nav > ul > li:hover > div,
nav > ul > li > div ul > li:hover > div {
  display: block;
  opacity: 1;
  visibility: visible;
}

nav > ul > li > div ul > li,
nav > ul > li > div ul > li > div ul > li {
  display: block;
  position: relative;
}

nav > ul > li > div ul > li > a,
nav > ul > li > div ul > li > div ul > li > a {
  color: #fff;
  display: block;
  padding: 12px 24px;
  text-decoration: none;
}

nav > ul > li > div ul > li:hover > a {
  background-color: rgba( 255, 255, 255, 0.1);
}


nav a:link {
         color:#FFFFFF;
        }      /* unvisited link */
nav a:visited {color:#FFFFFF;}   /* visited link */
nav a:hover {
           color:#FFFFFF;
           text-decoration:none
        }     /* mouse over link */
nav a:active {color:#FFFFFF;}    /* selected link */