.droplist{
    /*设置背景颜色*/
    background-color: rgba(0, 60, 126, 0.6)!important;
    /*加阴影*/
    box-shadow: 0 1px 3px #000000;
    /*设置为不显示*/
    display: none;
    /*设置圆角*/
    border-radius: 6px;
    /*超出部分隐藏*/
    overflow: hidden;}
.btli:hover .droplist{
   display: block;}
.btli{
/* 左浮动，让它们横排 */
    float: none;}
.droplist li{
    border-top: 1px solid #FFFFFF;}
.droplist{
    position: absolute;
    z-index: 1000;}
.ny_xyfg li {
    text-align: center;}