body {
  background-color: #EBE8E4;
  color: #222;
  font-family: "HelveticaNeue-Light", "Helvetica Neue Light", "Helvetica Neue", Helvetica, Arial, "Lucida Grande", sans-serif;
  font-weight: 300;
  font-size: 15px;
}

nav {
  background-color: #fff;
  border: 1px solid #dedede;
  border-radius: 4px;
  box-shadow: 0 2px 2px -1px rgba(0, 0, 0, 0.055);
  color: #888;
  display: block;
  margin: 8px 22px 8px 22px;
  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 {
      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 > a {
       color: #aaa;
       display: block;
       line-height: 56px;
       padding: 0 24px;
       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 {
        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:hover > div {
         display: block;
         opacity: 1;
         visibility: visible;
}

nav > ul > li > div ul > li {
         display: block;
}

nav > 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);
}