Ruby Flash Message Drop Down

<ul id="message-popdown">
  <% flash.each_pair do |key, value| %>
    <li class='<%= key %>'><%= value %></li>
  <% end %>
</ul>

Ruby Flash Message Drop Down CSS

#message-popdown {
  background-color: #dea852;
  display: none;
  position: fixed;
  z-index: 999;
  cursor: pointer;
  padding-top: 20px;
  padding-bottom: 20px;
  -webkit-border-bottom-right-radius: 10px;
  -webkit-border-bottom-left-radius: 10px;
  -moz-border-radius-bottomright: 10px;
  -moz-border-radius-bottomleft: 10px;
  border-bottom-right-radius: 10px;
  border-bottom-left-radius: 10px;
}
#message-popdown li {
  padding-left: 40px;
  font-size: 14pt;
  font-weight: bold;
  margin: 0 auto;
}

.success_msg { color: #00aa00; }
.error_msg { color: #dd0000; }
.notice_msg { color: #2b0100; }
.warning_msg { color: #ec8049; }