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HTML

CSS

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HTML

              
                <body class="theme-transit">
  <section id="content">
    <h1>Subway - Red Line</h1>
    <div class="dropdown">
      <div class="title">Telefonplan</div>
      <ul>
        <li>Liljeholmen</li>
        <li>Midsommarkransen</li>
        <li>Telefonplan</li>
      </ul>
    </div>
  </section>
</body>
              
            
!

CSS

              
                @import "compass/css3";

/* OPTIONS */

$list_opacity: 0.2;
$border_radius: 3px;
$width: 300px;

/* STYLES */
section#content {
  width: $width;
  position: fixed;
  left: 50%;
  top: 50px;
  margin-left: -150px;
  text-align: center;
}
h1 {
  color: white;
  text-shadow: 0px 2px 1px black;
  margin-bottom: 1em;
}
div.dropdown {
  text-align: left;
  font-size: 0.9em;
  color: rgb(240, 240, 240);
  text-shadow: 0px 1px 1px black;
  width: inherit;
  
  &.closed {
    ul {
      margin-top: 0px;
      li {
        margin-top: -40px;
        height: 0px;
      }
    }
    div.title:after {
      margin-top: -14px;
      @include transform(rotate(0deg));
    }
  }
  
  div.title {
    width: 100%;
    height: 40px;
    border: 1px solid rgba(25,25,25,0.3);
    padding: 12px;
    cursor: pointer;
    @include box-sizing("border-box");
    @include background-image(linear-gradient(top, rgba(230, 230, 230, $list_opacity), rgba(160, 160, 160, $list_opacity)));
    @include border-radius($border_radius);
    @include box-shadow(0px 1px 0px 0px rgba(0,0,0,0.3), 0px 2px 6px rgba(0,0,0,0.3));
    
    &:after {
      display: block;
      content: "▾";
      position: absolute;
      right: 20px;
      margin-top: -12px;
      @include transform(rotate(180deg));
    }
  }
  
  ul {
    overflow: hidden;
    @include transition(margin-top 1s);
    @include box-sizing("border-box");
    @include box-shadow(0px 1px 0px 0px rgba(0,0,0,0.3), 0px 2px 6px rgba(0,0,0,0.3));
    @include border-radius(0px 0px $border_radius $border_radius);
    
    li {
      width: 100%;
      height: 40px;
      border: 1px solid rgba(25,25,25,0.3);
      padding: 12px;
      vertical-align: top;
      overflow: hidden;
      cursor: pointer;
      @include transition(margin-top 0.5s, height 0.5s);
      @include box-sizing("border-box");
      @include background-image(linear-gradient(top, rgba(230, 230, 230, $list_opacity), rgba(160, 160, 160, $list_opacity)));
      
      &:first-child {
        border-bottom: none;
        border-top: none;
      }
      &:last-child {
        border-top: none;
        @include border-radius(0px 0px $border_radius $border_radius);
      }
      &:hover {
        text-shadow: 0px 1px 1px black, 0px 0px 4px white;
      }
      &:before {
        content: " ";
        display: inline-block;
        position: relative;
        background: transparent url("http://www.carlcalderon.com/pen/img/line-stop.png");
        margin-top: -12px;
        margin-right: 10px;
        width: 20px;
        height: 40px;
        @include opacity(0.7);
        @include transition(all 0.5s);
      }
    }
  }
}
              
            
!

JS

              
                $(".dropdown .title").click(function () {
  $(this).parent().toggleClass("closed");
});

$(".dropdown li").click(function () {
  $(this).parent().parent().toggleClass("closed").find(".title").text($(this).text());
});
              
            
!
999px

Console