我需要使Bootstrap的下拉菜单透明。如何实现这一点?以下是HTML代码:
<div id="mydiv" class="dropdown transparentbar" style="z-index:4">
<button class="btn btn-default dropdown-toggle" type="button" id="mybyn" data-toggle="dropdown" aria-haspopup="true" aria-expanded="true">
Drop mat
<span class="caret"></span></button>
<ul class="dropdown-menu">
<li><a href="#">Action</a></li>
<li><a href="#">Another action</a></li>
<li><a href="#">Something else here</a></li>
<li role="separator" class="divider"></li>
<li><a href="#">Separated link</a></li>
</ul>
CSS
.transparentbar { background-repeat:不重复; cursor:指针; outline:无; border:无; box-shadow:无; background-image: 无;你需要帮忙吗?
background-color: 透明; background: 透明; border-color: 透明;
}