图片黑色阴影
???????? ?<div class="title">
???????? ??<span class="pull-left">活动预告</span>
???????? ??<span class="pull-right">+</span>
???????? ?</div>
???????? </div>
<script type="text/javascript">
??$(function(){
???$('.eventEntry .event').hover(function(){
????$(this).find('.imgGrayCover').show();
???},function(){
????$(this).find('.imgGrayCover').hide();
???});
??});
?</script>