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              <h1 class="text-center">Blink dropdown menu</h1>
<p class="text-center">A dropdown menu that has a blink animation when an item is selected.<br>Inspired by Mac OS menus.</p>

<div class="dropdown">
  <button class="btn-dropdown" type="button" data-toggle="dropdown">
    <span class="caret"></span>
  <ul id="dropdown-menu" class="closed">
    <li><a href="#">First item</a></li>
    <li><a href="#">Second item</a></li>
    <li><a href="#">Third item</a></li>
    <li><a href="#">Fourth item</a></li>
    <li><a href="#">Fifth item</a></li>

              @import "bourbon";

$blue: #3498DB;
$gray: #EEE;

body {
  margin: 40px;
  font-family: Arial, sans-serif;
  font-size: 15px;

.text-center {
  text-align: center;

.graphic {
  margin: 0 auto;
  display: block;

.dropdown {
  display: inline-block;
  position: relative;
  left: 50%;
  margin-top: 20px;
  margin-left: -60px;

button {
  background: $blue;
  border: 0;
  color: #FFF;
  outline: none;
  border-radius: 6px;
  padding: 12px 14px;
  cursor: pointer;
  font-size: 14px;
  &:hover {
    background: darken($blue, 10%);

.caret {
  display: inline-block;
  width: 0;
  height: 0;
  margin-left: 2px;
  vertical-align: middle;
  border-top: 8px dashed;
  border-right: 6px solid transparent;
  border-left: 6px solid transparent;

#dropdown-menu {
  background: $gray;
  overflow: hidden;
  border-radius: 6px;
  list-style: none;
  margin: 5px 0 0 0;
  padding: 0;
  width: 200px;
  visibility: hidden;
  opacity: 0;
  @include transition(all 500ms);
  &.open {
    visibility: visible;
    opacity: 1;
    @include transition(none);
  li {
    &:hover {
     background: $blue;
      a {
        color: #FFF;
  a {
    display: block;
    padding: 10px;
    color: #000;
    text-decoration: none;

@include keyframes(flash) {
   0%, 30%, 100%    { color: #000; background: $gray; } 
   15%              { color: #FFF; background: $blue; } 

.flash { 
  @include animation-name(flash);
  @include animation-duration(600ms);
              $('.btn-dropdown').click (e) ->
  $('#dropdown-menu').toggleClass 'open'
  $('#dropdown-menu li a').removeClass()
$('#dropdown-menu li a').click (e) ->
  $(this).addClass "flash"
  $('#dropdown-menu').removeClass 'open'
$('html').click ->
  $('#dropdown-menu').removeClass 'open'
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