.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    z-index: 1000;
    display: none;
    float: left;
    min-width: 160px;
    min-width: 10rem;
    padding: 8px 0;
    padding: .5rem 0;
    margin: 2px 0 0;
    margin: .125rem 0 0;
    font-size: 14px;
    font-size: .875rem;
    color: #212529;
    text-align: left;
    list-style: none;
    background-color: #fff;
    background-clip: padding-box;
    border: 1px solid rgba(0,0,0,.15);
    border-radius: .25rem;
    left: auto;
    right: 0;
    transform: scale(1);
    width:50px;
    margin-right:30px;
}
.dropdown-menu.show {
   display:block;
   z-index: 1000;
}
.mentext{
font-size:16px;
color:#72777a;
}