.sub{
    display: none;
    position: absolute;
    z-index: 1000;
    width: 120px;
    top: 75px;
    left: 0px;
    background-color: #fff;
    box-shadow: 0 2px 8px rgba(0,0,0,.15);
    border-top: 2px solid #041729;
  }

  .sub li{
    width: 100%;
    height: 40px !important;
    line-height: 40px;
    text-align: center;
    font-size: 16px;
    overflow: hidden;
    cursor: pointer;
    color:#000;
  }

.sub li:hover {
    background-color: #041729;
  }
  .sub li:hover a{
    color: #fff;
  }