Vulcan/packages/telescope-theme-base/lib/client/scss/specific/_dropdown.scss

.has-dropdown .dropdown{
  position:relative;
  >a{
    &:after{
      display:inline-block;
      position:relative;
      top:-1px;
      margin-left:4px;
      content:"▼";
      font-size:8px;
    }
  }
  &:hover{
    .dropdown-menu{
      display:block;
    }
  }
}
.has-dropdown .dropdown-menu{
  display:none;
  top:10px;
  left:10px;
  position:absolute;
  padding-top:20px;
  z-index: 10000;
  &, a, a:link, a:visited{
    color: $text;
  }
  a.button{
    color: white;
  }
  ul{
    background:white;
    padding:10px;
    min-width:140px;
    @include border-radius(3px);
    @include box-shadow(0 1px 3px black(0.35));
    list-style-type: none;
    li{
      margin-bottom: 10px;
      &:last-child{
        margin-bottom: 0;
      }
      a{
        font-size:14px;
      }
    }
  }
}